Answer:
Lysosomes are the waste cells. They get rid of old things. Vacuoles stores things for later use, like water and other important tings.
Hope this was helpful
At the end of the electron transport chain, where is the light energy that was absorbed and converted by chlorophyll stored?.
It is stored in the reduced molecule NADPH and ATP energy released from transfer of electrons establishes a proton gradient across the thylakoid membrane.
What benefits does chlorophyll provide to your body?Supplement manufacturers assert that chlorophyll has a wide range of benefits, including the ability to increase red blood cells, aid in weight reduction, mend damaged skin, remove toxins, reduce inflammation, and prevent cancer. It's an amazing list, yet only a few of the assertions are supported by research.
Can chlorophyll lead to thinning hair?Chlorophyll can support healthy hair as part of a balanced diet. It does have anti-aging antioxidants, which may decrease hair loss brought on by aging scalp cells.
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+
=-
11
3. State two ways in which the nucleus of the gamete differs from the nucleus of the cheek cell
(2 marks)
1
Type your answer here
2 Type your answer here
Answer:
It should be both cells
What is the name of the enzyme that some viruses use to turn their RNA into DNA?
Answer:
The answer is C, Reverse transcriptase
Explanation:
It is an enzyme encoded from the genetic material of retroviruses that catalyzes the transcription of retrovirus RNA (ribonucleic acid) into DNA (deoxyribonucleic acid).
The name of the enzyme that viruses use to turn their RNA into DNA is c) Reverse Transcriptase
The DNA polymerase enzyme reverse transcriptase (RT), also referred to as RNA-dependent DNA polymerase, converts single-stranded RNA into DNA. Once the RNA has been reverse-transcribed in the first step into a single-strand DNA, this enzyme can create a double helix DNA.
Reverse transcriptases are utilized by eukaryotic cells to lengthen the telomeres at the ends of their linear chromosomes, by retrotransposon mobile genetic elements to multiply inside the host genome, and by viruses like HIV, Corona Virus, and hepatitis B to duplicate their genomes.
So, viruses use Reverse Transcriptase to turn their RNA into DNA.
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Having warm weather all year with a distinct winter and summer season where winter is a long, dry, and slightly cooler season with only 4 inches of rain on average, and summer is a very hot, humid, and wet season with 15 to 25 inches of rain, with monsoon rains beginning in may describes the _______ biome(s). a. rainforest b. savanna and grassland c. deciduous forest d. chaparral please select the best answer from the choices provided a b c d
Having warm weather all year with a distinct winter and summer season where winter is a long, dry, and slightly cooler season with only 4 inches of rain on average, and summer is a very hot, humid, and wet season with 15 to 25 inches of rain, with monsoon rains beginning in may describe the Savanna and grassland biome.
In Savana grassland, the trees are scattered and dispersed all over the place.
Most Savana and grassland forests are found in Africa covering an area of about 5 million square miles.
However, these forests are also abundant in South America, Australia, and India. In these regions, precipitation takes place all year round.
In the formation of Savana and grassland ecosystems, climate plays an important role.
In general, Savana is classified as broad-range grasslands typically dispersed over a large area.
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Answer:
The type of biome described with distinct winter and summer seasons is the savanna and grassland.
Explanation:
This type of biome is experienced both in Africa and in Australia the biome has two distinct seasons which are summer and winter, winter happens to be the dry season while summer is the wet season where rain is experienced.
The average rate of rain throughout the year during the wet season is around 15 to25 inches
The biome usually has grass and some scattered trees this is due to the lack of enough rainfall to support trees to grow
The wet season is during the summer and it is warmer in the rainy season than in the dry season because it is humid, winter is the dry season with clear skies and lower humidity.
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10.What kinds of vessels are in leaf veins?
The correct option is xylem and phloem. These tissues occur in the middle of the leaf, and transport water and nutrients to the leaf, and sugars produced in the the leaf to other tissues.
what is the difference between invasive and noninvasive healthcare diagnostic techniques?
Answer: This is a huge category and includes almost all major surgeries and many diagnostic tests. If it leaves a scar, it is most likely an invasive procedure. Invasive procedures may be required to remove a tumor, repair a broken bone, or stop internal bleeding. Of course, these are just three examples: there are literally dozens of other indications for invasive procedures. Non-invasive procedures are also quite common.
Explanation: I hope it serves you
Answer: The major difference between invasive and non-invasive tests is that invasive tests are done by cutting or entering a body part using medical instruments, whereas non-invasive tests do not require breaking the skin or entering the body. Non-invasive tests include deep palpation, x-rays, and checking blood pressure.
Explanation:
see above.
which statement about hydrogen (h) atoms in photosynthesis and respiration is false? first exclude the four correct statements. group of answer choices photosynthesis and respiration both use h shuttles. h is removed from water to make sugars in photosynthesis; h removed from sugars is combined with oxygen to form water in respiration. nadh is used in photosynthesis; nadph is used in respiration. the o-h bond has partial electrical charges; the c-h bond consists of electrons shared evenly between the partner atoms. while the o-h bond cannot be used to release energy, the c-h bond can be used to release energy.
The process of producing glucose when carbon dioxide and water are present is called photosynthesis. The process of respiration involves the generation of carbon dioxide and water as a result of the breakdown of carbohydrates.
What is the relationship between photosynthesis and respiration?The glucose required to produce ATP during cellular respiration exists produced through photosynthesis. The carbon dioxide utilized in photosynthesis is then produced from the glucose. While during photosynthesis water is broken down to create oxygen, during cellular respiration oxygen is mixed with hydrogen to create water.
The process of producing glucose when carbon dioxide and water are present exists comprehended photosynthesis. The technique of respiration involves the generation of carbon dioxide and water as a result of the breakdown of carbohydrates.
Therefore, the correct answer is option c) NADH is used in photosynthesis; NADPH is used in respiration.
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An epidemiologist wants to figure out if the Flu vaccine is effective at lowering the likelihood of dying from the disease.
What are some controlled variables?
A
The death rate of unvaccinated individuals will be higher than vaccinated individuals.
B
The vaccine
C
The death rate
D
Age and pre-existing conditions
If an epidemiologist wants to figure out if the Flu vaccine is effective at lowering the likelihood of dying from the disease, then the controlled variables are age and pre-existing conditions (Option D).
What is a controlled experimental variable?A controlled experimental variable is any variable in the experimental treatment that remains the same in different groups in order to make a comparison with the target group.
Therefore, with this data, we can see that the controlled experimental variables are those that stay the same to make comparisons in a given experimental procedure.
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In an experiment to figure out if the Flu vaccine is effective at lowering the likelihood of dying from the disease, the controlled variable is: the death rate.
What is a control experiment?A control experiment simply refers to a type of experiment in which a condition assumed to be a probable cause of an effect is compared with the same situation without involving or using the suspected condition.
This ultimately implies that, all factors are held constant in a controlled experiment except for the independent variable.
In Science, a controlled variable must always be held constant and unchanged in an experiment in order to prevent it from affecting or influencing the result, which is what the death rate connotes in this scenario.
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among the agta of the philippines, women not only gather, they also a. fish, while carrying their babies with them. b. are the primary warrior class, except when pregnant or breastfeeding. c. cultivate small food plots inside village defenses. d. hunt small animals and do some fishing. e. are the tribal leaders.
The Aeta are a nomadic people that only construct ad hoc, stick-and-leaf huts that are draped with palm leaves.Aeta communities and places with cleared mountains are now home to the more advanced Aetas.They reside in homes made of cogon grass and bamboo.
Describe about agta people?
The indigenous population of the nation has steadily declined due to mining, deforestation, illicit logging, and slash-and-burn farming, now numbering only a few thousand people.The Aeta have become very nomadic as a result of social and economic pressures on their culture and way of life, which had previously stayed constant for thousands of years, and the Philippine government offers them little to no protection. As hunter-gatherers, adaptation plays an important role in Aeta communities to survive. This often includes gaining knowledge about the tropical forest that they live in, the typhoon cycles that travel through their area, and other seasonal weather changes that affect the behavior of the flora and fauna in their location.Another important survival skill is storytelling. Like many other hunter-gatherer societies, the Aeta promote social values, such as cooperation, through stories. Thus, they highly value skilled storytellers.Aeta hunters, as depicted in the Boxer Codex (c. 1595).For many Aeta communities, the dry season means hard work.With the beginning of the dry season comes more hunting and fishing as well as swiddening the land in preparation for future harvest.Men and women in the Aeta community work together to clear the land, but women typically harvest the majority of the crops.They also conduct commerce with non-Aeta communities in the area at this time, either to sell the food they have collected or to hire them as temporary farmers or field workers.Women from the Aeta community participate more actively in economic dealings with non-Aeta communities, typically as dealers and field laborers for lowland farmersDifferent implements are used by Aeta cultures for hunting and gathering.Traps, knives, and bows and arrows with various arrow points for specific uses are examples of traditional tools.The majority of Aetas, including Aeta women, begin training for hunting and gathering at age 15.Most Aeta women prefer knives and frequently hunt with their dogs and in groups to maximize efficiency and for social purposes, whereas males and some women typically use the conventional bow and arrow.Males and females both engage in food collecting and fishing.Therefore, Aeta societies are more gender equal in both organization and practice.To learn more about philippines culture refer
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Use the tape measure to measure the length of your ulna. (It is the longest bone in your forearm. Measure from the end of
the bone at your wrist to the end of your elbow bone.) Record the length of your ulna in the space below. Then use the
graph you constructed earlier to predict your height in cm. Use the tape to measure your actual height if you do not know it.
Ulna length ___cm
Predicted height ___ cm
Actual height ___ cm
Was the graph a good predictor of your height? How might it be made better?
How long is the ulna?
Male students' ulna lengths ranged from 24 to 31 cm, whereas female students' ulna lengths ranged from 23 to 27 cm. Male students' mean ulna length was 27.40 2.13 cm, whereas female students' was 24.70 1.43 cm (p0.001).
How can one determine height in cm?
One of these entails raising a boy's average height by 2.5 inches (7.6 cm) and lowering a girl's average height by 2.5 inches (7.6 cm). Based on this methodology is the second calculator above. Another easy technique is to have the child's height doubled by the time he or she is two years old for boys or 18 months for girls.
What is height in cm?
Simply multiply your height in inches by 2.54 to get your height in cm to complete the conversion. In this instance, a person who is 5 feet, 6 inches tall is equivalent to 167.64 cm as measured in the metric system (66 x 2.54)
What factor accurately predicts height?
The height of the parents, or more particularly, the biparental height, is the best indicator of height. By combining the mother's and father's heights in inches, you may determine the biparental height. For boys, measure 5 inches longer; for girls, measure 5 inches shorter.
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In peas, side flowers are dominant over end flowers. Cross a homozygous recessive plant with a heterozygous plant. (4 pts)
Genotype: Phenotype:
(Create Punnett square pls)
According to the Punnet square, if side flowers are dominant over end flowers, then crossing a homozygous recessive plant (pp) with a heterozygous side flowers Pp will produce dominant flowers Pp and over-end flowers pp in proportion 1:1.
What is the Punnet square?The Punnet square is a graphical representation used in genetics to denote the genotypes and phenotypes that are expected from a given genetic cross.
In this case, the genetic cross in the Punnet square occurred between pea side flowers (heterozygous dominant Pp) and homozygous recessive over-end flower plants (pp) is equal to:
P p
p 1/2 Pp 1/2 pp
Therefore, with this data, we can see in the Punnet square that the cross between a homozygous recessive plant (pp) with a heterozygous plant Pp will produce dominant Pp flowers and recessive pp flowers (50% each one or 1 to 1 proportion in progeny).
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Write in a table the definition of sexual and asexual reproduction with their differences and example of each
please answer asap
Sexual reproduction involves the fusion of two gamates (haploid cells), resulting in diploid cells with genetic variation. On the other hand, asexual reproduction involves the division of a diploid cell resulting in cells genetically identical to the parental one.
What are sexual and asexual reproductions?Asexual reproduction involves the division of a cell through mitosis or fission, resulting in two equal cells carrying the exact same information and genetic charge. In several organisms, these dividing cells are diploid.
Sexual reproduction involves two haploid cells (gametes) that merge and compose a diploid cell. The genetic information of these new diploid cells is different from the parental one because gametes from each parent introduce genetic variability. Gametes are produced by meiosis.
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despite its name, kentucky bluegrass is a widespread turfgrass used for lawns throughout the united states. in some regions, strains have developed desirable disease-resistant properties. however, kentucky bluegrass typically develops by apomixis. plant breeders say this creates both a challenge and an opportunity for engineering novel strains. why?
If a seed develops by apomixis, it will be identical to its parent.
In order to hybridize with another strain, specific procedures are needed. However, apomixis assures the reliable multiplication of a hybrid strain once it has been created. A perennial, cool-season lawn grass is what is referred to as Kentucky bluegrass.
This indicates that it returns each year and grows most actively in the chilly months of fall and spring. Asexual reproduction without fertilization is known as apomixis in botany. Greek for "aside from" and "mixing" make up its origins.
Notably, meiosis is not included in this definition. As a result, "natural asexual reproduction" of plants, such as growth from cuttings or leaves, has never been thought of as apomixis; nevertheless, the replacement of the seed by a plantlet or the replacement of the flower by bulbils were both recognized as kinds of apomixis. Offspring born by apomicticism share the same genetic makeup as their parent plant.
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Which phases can line up correctly to cause an eclipse to occur?
A solar eclipse occurs when the Moon comes between the Sun and Earth
What is an eclipse?When the Moon passes between the Sun and Earth, a solar eclipse occurs, emitting a shadow on Earth that either fully or partially blocks the Sun's light in some areas. This only happens sometimes, because the Moon doesn't orbit the same horizontal as the Sun and Earth do. A solar eclipse occurs when the moon gets between Earth and the sun, and the moon sends out a shadow over Earth. A solar eclipse can only happen during the new moon's phase when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface. Solar eclipses occur only at the new moon phase when the Moon is between Earth and the Sun. throughout a solar eclipse, the Moon casts a shadow on Earth, and blocks or partially blocks our view of the Sun.
So we can conclude that an eclipse of the Moon can only occur at Full Moon.
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It is important too so many trials in an experiment to…
Scientists employ replicated experiments and repeated trials to test hypotheses to ensure that they consistently arrive at the same conclusion and that the initial result wasn't just a lucky guess. They must be certain that the response to their theory is always exactly the same.
The scientist is better able to comprehend the results of the test when the conditions of the experiment are under control. It's not always possible to control every aspect of a test, especially when the hypothesis is being proved for the first time. A hypothesis may be tested by making predictions about patterns that should emerge if the theory is true, especially if conducting a controlled experiment is impractical or impossible for ethical reasons. The scientist gathers information from as many patterns as they can reasonably test or push to be tested. The principle supporting the hypothesis becomes stronger the more experiments the scientist does.When conducting tests, independent and dependent variables are used. Independent and dependent variables are present in an experiment involving two groups, such as when plants are given water on one set and none on the other. Because it is not dependent on chance, the group that receives water in this example is the independent variable. The water is deliberately applied by the scientist. The response that is examined in an experiment to determine if the treatment had any effect is known as the dependent variable. It depends on the independent variable since the lack of water on the group of plants demonstrates whether the scientist's application alters the result.To know more about Trials please click here : https://brainly.com/question/4559559
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After doing a body check-up, Sam found out he had an extremely low level of trypsinogen. Discuss what will happen after Sam eat a meal high in protein and fat.
(Your answer should mention location of secretion, location of activation, negative consequence if the enzyme does not function properly.)
If Sam had an extremely low level of trypsinogen, then he couldn't break down proteins from foods into their basic subunits, while fats were normally metabolized.
What is trypsinogen?Trypsinogen is a precursor of the trypsin enzyme which is used by the body to degrade proteins into their amino acids. All proteins are composed of amino acids, which represent the building blocks of these biomolecules.
Therefore, with this data, we can see that trypsinogen is fundamental to degrading proteins onto their subunits (i.e., their amino acids), thereby the absence of normal levels of this precursor enzyme would be dangerous for the health of the organism.
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atrazine and the electron transport chain atrazine is one of the most widely used agricultural pesticides. atrazine kills plants by binding to a component of the electron transport chain on the thylakoid membrane on photosystem ii. atrazine prevents electrons from passing along the electron transport chain causing all downstream electron carriers to stay in an oxidized form (lodish, 2004.) the major claim of atrazine is that atrazine prevents electron flow in photosystem ii. how could you test this idea that atrazine affects electron flow in the photosystems and not the calvin cycle?
Photosynthesis function to absorb light and use electron transport chains to convert energy. The Calvin cycle reactions assemble carbohydrate molecules with this energy.
Photosynthesis use electron transport chains to convert energy while absorbing light. With this energy, the Calvin cycle reactions put carbohydrate molecules together.
Photosynthesis definition?
Given that the fundamental process has changed little throughout the course of time, all photosynthetic species have a strikingly similar evolutionary history.
The method and elements of photosynthesis that use water as an electron donor are generally the same in all forms of photosynthesis, including the enormous tropical leaves in the rain forest and small cyanobacteria.
Photosynthesis use electron transport chains to convert energy while absorbing light. With this energy, the Calvin cycle reactions put carbohydrate molecules together.
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What part of the brain is the arrow pointing to in the diagram below?
Occipital lobe
Temporal lobe
Frontal lobe
Parietal lobe
Answer:
the parietal lobe.
it is near the back and top of the head.
this part processes and interprets information about objects in our external environment.
hope it helps..
Answer: D: Parital Lobe
Explanation: I took the test
after beta phage infects corynebacterium diphtheriae and integrates its dna into the host genome, the bacterium is capable of causing the disease diphtheria. which term best describes this phenomenon?
A deadly infection known as diphtheria is brought on by bacterial strains called Corynebacterium diphtheriae that produce toxins.
What was Corynebacterium diphtheriae also known as?
The pathogenic bacterium that causes diphtheria is Corynebacterium diphtheriae, which is also used as an image result for the disease. Due to German bacteriologists Edwin Klebs (1834–1912) and Friedrich Löffler's 1884 discovery of the organism. Another name for it is the Klebs-Löffler bacillus (1852–1915).
Lysogenic conversion, which occurs when viral DNA is incorporated into a bacterial chromosome, is the cause of diseases like diphtheria.
Therefore, The bacterium Corynebacterium diphtheriae is the cause of the highly contagious and sometimes fatal disease diphtheria.
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In blank______, the relationship between a conditioned stimulus and its conditioned response is changed.
According to the research, the correct answer is counterconditioning. In counterconditioning, the relationship between a conditioned stimulus and its conditioned response is changed.
What is counterconditioning?It is the variety of classical conditioning in which a stimulus already endowed with a motivational significance and evocative of a contradictory response is used as a signaling or conditioned stimulus.
In this sense, the response to the reinforcing stimulus, as a result of which the first becomes the stimulus conditioning the second and changes its effective sense and response accordingly.
Therefore, we can conclude that in Counterconditioning two stimuli can be associated even though they elicit opposite motivational responses.
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Which sentence best describes a rattlesnake as a living system that is one
part of a more complex system?
OA. A rattlesnake can eat multiple mice in a single day.
B. A rattlesnake will shed its skin often as it grows.
C. A rattlesnake can give birth to ten young snakes at once.
OD. A rattlesnake lives in the desert with other snakes.
The statement that best describes a rattlesnake as a living system is one part of a more complex system a rattlesnake will shed its skin often as it grows. Thus, the correct option for this question is B.
What are the characteristics of the living system?The characteristics of the living system are as follows:
They possess a high level of compartmentalization.They stimulate systematic growth and division.Living systems are known for information processing.They also conduct energy transduction.They possess a high level of adaptability.A rattlesnake can eat multiple mice in a single day must deal with the mode of nutrition and eating plan. While giving birth to ten young snakes at once follows a reproductive pattern. Living in the desert with other snakes reveals its level of adaptation and survival.
Therefore, the statement that best describes a rattlesnake as a living system is one part of a more complex system a rattlesnake will shed its skin often as it grows. Thus, the correct option for this question is B.
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Answer: A rattlesnake lives in the desert with other snakes.
Explanation: took the test
Which statements describe the cell membrane? Check all that apply. The cell membrane is very selective. The cell membrane lets anything enter the cell. The cell membrane lets anything leave the cell. The cell membrane is a protective layer surrounding a cell. The cell membrane allows waste to leave the cell.
Answer:
the cell membrane is very selective.
The cell membrane is a protective layer surrounding a cell.
The cell membrane allows waste to leave the cell.
Explanation: the cell membrane is a semipermeable barrier that separates the cell from its surrounding environment. Thus, the cell membrane helps the cell to maintain steady constant cellular conditions.
Explain how the nitrogen cycle is supported by the law of conservation of matter.
During the nitrogen cycle, nitrogen atoms are neither created nor destroyed nor transformed into other atoms.
During the nitrogen cycle, nitrogen atoms are neither created nor destroyed nor transformed into other atoms. This can be explained by the law of conservation of matter. This law states that matter cannot be created or destroyed by any chemical or physical process.
NitrificationDuring nitrification, ammonia is first converted to nitrite and then to nitrate by certain bacteria.
AmmonificationAmmonification is the process by which proteins and amino acids are broken down to release ammonia, usually in the form of ammonium ions. Ammonia is then converted to nitrogen and the cycle continues.
AssimilationAssimilation is the process by which plants and animals use and incorporate nitrogen and ammonia previously produced by nitrogen fixation and nitrification.
DenitrificationDenitrification is the conversion of nitrate (NO3) to gas (N2) by anaerobic bacteria. Denitrification usually occurs only when little or no oxygen is present.
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An object displaces 7.1 ml of water. If the mass of the
object is 4 grams, what is the density?
Answer: D = 0.56 g/ml
Explanation:
We can use the density equation for this one.
D = m / v
We are given Mass (m) and Volume (v).
D = 4g / 7.1 ml
D = 0.56 g/ml
During the reproduction stage of the lytic cycle, what happens?
Answer: Reproduction of viruses using host cells
Explanation: In the lytic cycle the viruses introduces its genome into a host cell and initiates replication by introducing itself into the host cellular machinery and makes copies of itself and developes its own mechanism. Once introduced virus particles are released through lysis of the host cell into surrounding waters and produces its effects.
during the digestion process, why are short-chain fatty acids more easily absorbed by the body? a. they are hydrophobic. b. they are somewhat water soluble. c. they contain bile. d. they convert to glycerol. e. they have formed chylomicrons
During the digestion process, why are short-chain fatty acids more easily absorbed by the body because they are somewhat water soluble.
the digestion process
The six actions that make up the digestive process are ingestion, propulsion, mechanical or physical digestion, chemical digestion process, absorption, and feces.
Ingestion, the first of these procedures, is the act of putting food via the mouth and into the alimentary canal. The meal is chewed there and combined with saliva, Both water-soluble (hydrophilic) and hydrophobic (water-insoluble) molecules can dissolve into a solution when water and an organic solvent are combined. Bilirubin diglucuronide is water-soluble due to its hydrophilic nature. Chemical and mechanical processes both take place during digestion. The process of mechanical digestion is simply physical and does not alter the chemical composition of the food. In its place, it shrinks the meal to enhance its surface area and mobility.
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Which of the following factors contribute to the spread of diseases?A. All of theseB. Poor public health measuresC. Evolution of microbesD. Climate change
The fast spread of diseases is due to the lack of hygiene, the poor salubrity in public spaces, and the contamination of food and water.
Climate change is mainly due to the high concentration of greenhouse gases, and those in high concentrations have demonstrated adverse effects on health.
The fact that drugs are getting less effective in stopping the spread of diseases, and eradicating them, also makes the disease harder to control. And also, some mutations of the microbes can contribute to their ability to infect, and therefore spread the disease.
All of the factors contribute to the harder control of diseases, and might as well help them to spread. Therefore, the answer is A.
Complete the Biomolecule Chart below and fill in the missing sections. Use notes to complete.
ELEMENTS
MONOMER
POLYMER
FUNCTION
EXAMPLES
CARBOHYDRATES
CHO ( 12:1 )
DISACCHARIDE
POLYSACCHARIDE:
Glucose (Sugar),
Cellulose,
Starch, Glycogen
:: TRIGLYCERIDE
LIPIDS
GLCER YOL
3-FATTY
ACIDS
Source of
Long-term
Energy
::
PROTEINS
FATS, OILS, STERIODS, WAXES
:: SOURCE OF SHORT-TERM ENERGY
CHON
DNA & RNA
POLYPEPTIDE
Eggs, Meats,
Fish, Nuts
IMMUNITY, REGULATES HORMONES, ENZYMES
BUILDS & REPAIRS CELLS
NUCLEIC
ACIDS
NUCLEOTIDE
Genetic
Information
& make
proteins
DNA & RNA
:: AMINO ACIDS
CHO (More CH, Less O)
CHONP
MONSACCHARIDE
Answer:
Carbohydrates
why is the smokey bear policy of immediately suppressing all fires misguided? multiple select question. fire plays an ecological role in forests. the buildup of woody debris creates a threat of very big and dangerous fires. some forest habitats need fire for regeneration. people should have a right to build fires whenever they want to.
Here are the reasons why the smokey bear policy of immediately suppressing all fires misguided:
Some forest habitats need fire for regenerationFire plays an ecological role in forestsThe buildup of woody debris creates a threat of very big and dangerous firesThe latest fires really bring to light an argument that ecologists have been having about whether Smokey should take some blame for the fire that are so often engulfing natural regions.
Smokey served as the spokesperson for the federal government's aggressive wildfire suppression strategy for a significant portion of the 20th century. Some experts think that strategy, combined with climate change, may have eventually made American woodlands more prone to burning.
The "Smokey Bear effect" is what they refer to. In recent years, Smokey has appeared in a variety of advertisements teaching millennials how to properly avoid campfires, maintaining his status as the face of wildfire prevention.
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of all the mutations that occur in a population, why do only a small fraction become widespread and affect the average phenotype of the population? a. most occur in tissue that does not lead to gamete formation b. most occur in tissue that leads to gamete formation c. most that affect phenotypes are deleterious d. most that affect phenotypes are beneficial
Of all the mutations that occur in a population, only a small fraction become widespread and affect the average phenotype of the population because a. most occur in tissue that does not lead to gamete formation.
Mostly, a mutation occurs in the somatic cells of the body of an organism. These kinds of mutations that occur in the somatic cells will not be transformed from parents to children as genes from the gamete cells are transferred from the parents to the offspring.
Hence, if a mutation occurs in the somatic cell then it is reserved to that individual organism.
However, if a mutation occurs in the cells that leads to gamete formation then such a mutation will be carried on from the parent to an offspring. Hence, only a small fraction of the mutations become widespread and the ones that occur in the non-gamete-forming tissues are lost.
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