Answers
3: B
4: B
5: C
6: C
7: A
8: C
9: C
10: D
11: B
12: D
Sorry for the late responce, I was on holiday !! (▱˘◡˘▱)
Related Questions
L Pretest: Unit 1
Question 14 of 30
Which technology can environmental scientists use to follow animals that
have been fitted with electronic collars?
A. Environmental DNA (eDNA) surveillance
OB. Global positioning systems (GPS)
OC. Geographic information systems (GIS)
OD. Unmanned aerial systems (UAS)
SUBMIT
Answers
The Global Positioning System (GPS) is used by environmental scientists to monitor the movements of polar bears and other sensitive populations. So, the correct option is B.
What is Global Positioning System?A satellite-based radio navigation network owned by the US government and run by the US Space Force is known as the Global Positioning System, or Navstar GPS. A GPS is a global satellite navigation system that can be used for tracking, navigating, and other purposes.
In today's world, GPS is a necessity, and if someone gets lost, their cell phone's GPS can assist us locate them. Environmental scientists use GPS to follow polar bears and other fragile animals in a similar way. Certain GPS receivers have a precision of one centimetre, allowing them to pinpoint their location (0.4 inches). Location is provided by GPS devices in terms of latitude, longitude, and altitude.
Therefore, the correct option is B
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Which term is used to describe an organism's genetic make-up?
Answers
Answer:
genotype
Explanation:
ASAP
15. If out of 100 offspring, 74 are purple flowered and 26 are white, what were the likely genotypes and
phenotypes of the parents if this is a simple monohybrid cross?
Answers
Answer:
so it would be a 3 : 1 ratio.
Explanation:
The probable genotypes of the parents is Pp (Purple). When we will cross the two heterozygous purple flowers we will get the purple and white coloured flowers
The ratio would be 3:1. The parents' likely genotypes are Pp (Purple). Purple and white colored flowers will result by crossing two heterozygous purple blooms.
What are Genotypes and Phenotypes?The type of variant existing at a specific locus (i.e., region) in the genome is scored by what is known as a genotype. Symbols can be used to symbolise it. For illustration, BB, Bb, and bb might be employed to denote a certain gene variant.
The term "phenotype" refers to an organism's observable qualities, which are a multifactorial result of hereditary attributes and environmental factors. The physical, biochemical, physiological, and behavioral characteristics of an organism make up its phenotype.
Pp is the likely genotype of the parents (Purple). In the example presented above, combining two heterozygous purple blossoms will produce flowers that are both purple and white.
Thus, the ratio would be 3:1. The parents' likely genotypes are Pp (Purple). Purple and white colored flowers will result by crossing two heterozygous purple blooms.
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16. Why should the recessive phenotype be used first to determine the q squared value instead of the dominant phenotype to determine the p squared value?
Answers
The recessive phenotype is used first to determine the q squared value because it is only expressed when h0m0zygous.
What is a recessive phenotype?A recessive phenotype is a phenotype which expresses the recessive trait of a gene.
The recessive phenotype is always h0m0zygous for that triat to be expressed.
In the Hardy-Weinberg equilibrium equation, the allele and phenotype frequencies are given as follows:
p^2 + 2pq + q^2 = 1where;
p^2 is the h0m0zygous dominant phenotype frequency2pq is the heterozygous phenotype frequencyq^2 is the h0m0zygous recessive phenotype frequencyTherefore, the recessive phenotype is used first to determine the q squared value because it is only expressed when h0m0zygous.
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what's the difference between an autobiography and a biography
Answers
Answer:
An autobiography is a true story about someone's life that is written by that person. A biography is a true story about someone's life written by a different person.
Explanation:
Which statement best describes how organisms use DNA and amino acids to synthesize protein?
1 Dna is transcribed into mRNA, which is translated by the ribosome to produce an amino acid chain.
2 DNA is translated into mRNA, which is transcribed by the ribosome to produce an amino acid chain
3 Amino acids are transcribed into mRNA, which is translated into the nucleus to produce a molecule of DNA.
4 Amino acids are translated into mRNA, which is transcribed in the nucleus to produce a molecule of DNA.
Answers
Answer:
1 Dna is transcribed into mRNA, which is translated by the ribosome to produce an amino acid chain.
Explanation:
The steps of the process are always from DNA to mRNA to amino acids. This is because DNA can't travel out of the nucleus. So, DNA must be converted to mRNA to travel out of the nucleus. Only mRNA can leave the nucleus. The m in mRNA stands for messenger, so think of mRNA as the messenger from DNA to amino acids. Then the mRNA must be converted to amino acids to produce a protein.
So, options 3 and 4 are eliminated.
The process of DNA to mRNA is called Transcription. The act of transcription is called transcribing.
The process of mRNA to amino acid is called translation. The act of translation is translating.
The only option that fits this category is option 1.
The fin of a tuna and the flipper of a dolphin are:.
Answers
In vertebrates, which structure frequently serves as the first intermediary between the areas of the brain that perceive sensory stimuli and the rest of the endocrine system?.
Answers
Explanation:
sorry, I may use old terms; I believe it is at the hypothalamus, for endocrine system...
Which source of energy causes most of the water evaporation on Earth’s surface?
Answers
Answer:
heat energy from the sun
Within the ANS, the effects of the ______ division are often general and widespread, while in the _______ division the effects are more specific and local.
Answers
Answer:
I guess-
Sympathetic
Parasympathetic
Explanation:
The autonomic nervous system(ANS) has two main divisions: Sympathetic. Parasympathetic.
Read the scenario.
A biologist is studying golden frogs that live in cool streams running through the rain forests of Central America. The biologist conducts a survey of the population and counts over 100 frogs in one mile of stream. The biologist returns to the same location one year later and counts only 20 frogs in that same stretch of stream. The biologist wonders why there are suddenly so few golden frogs.
The biologist also observes that a mining company has set up a copper mine only a few miles from the stream. By reading studies on copper mining operations in other parts of the world, the biologist learns that the wastewater runoff from the mines is highly acidic and contains potentially toxic compounds.
Which question most closely relates to the biologist's observations and collected data?
Are the golden frogs succumbing to a fungal infection?
Answers
Answer:
are the frogs dying off because of the mines waste water?
answer asap!!
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identify the structures below
Label A
______
Label B
______
Label C
______
Label D
______
Answers
Label A
Rna
Label B
rna becoming dna
Label C
dna
Label D
nucleus
please be correct
⦁ How many hours does each member of a baseball team practice?
Answers
Answer:
27
Explanation:
there is 9 player's in a base ball team + everyone get 3 hour's So we do 9x3 and the answer will be 27
Answer:
27
Explanation:
there is 9 player's in a base ball team + everyone get 3 hour's So we do 9x3 and the answer will be 27
The population in a 50 square mile area is 200 people. What is the population density?
Answers
This is a simple calculation.
Typically you convert square miles into square kilometers. But you can apply this formula to both imperial and metric systems.
Formula:
[tex]Population Density = Population/Land Area[/tex]
Here is what your equation looks like
[tex]Population density = 200/50^2[/tex]
Calculate that and you get 0.08 people per square mile.
Five hundred cockroaches of one species were sprayed with a new insecticide. Twenty-four hours later nearly all the cockroaches were dead. A few, however, survived. This outcome illustrates which one of darwin’s key ideas about natural selection and variation?.
Answers
Answer:
This shows that over time, some insects can become "pesticide-resistant" meaning that pesticides don't affect them anymore. And this only happens every few generations. Therefore, each generation is being naturally selected and accumulating variations that make them resist the chemicals. This shows that each cockroach's genes are changing to give them variation from the rest of the population.
I hope this helps!
When the tubular fluid leaves the distal convoluted tubules, it must travel through a series of small ______ that empty into ______.
Answers
When the tubular fluid leaves the distal convoluted tubules, it must travel through a series of small collecting tubules that empty into the collecting duct.
What are these structures a part of?The structures described in the question are a part of the organ in charge of filtering the blood and producing urine, the kidney. Within the kidney, the filtered plasma, in the form of urine, travels through a series of tubules and ducts in order to reach the ureter.
Therefore, we can confirm that when the tubular fluid leaves the distal convoluted tubules, it must travel through a series of small collecting tubules that empty into the collecting duct.
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What happens to energy from the Sun when it reaches Earth
Answers
Answer:
The energy from the sun that reaches Earth’s surface is mostly “shortwave” radiation – mostly visible light. This energy passes freely through the atmosphere and is absorbed by Earth’s surface. The surface warms from the energy input, and some of its heat projects back to the atmosphere as infrared radiation.
Explanation:
Energy released from the Sun is emitted as shortwave light and ultraviolet energy. When it reaches the Earth, some is reflected back to space by clouds, some is absorbed by the atmosphere, and some is absorbed at the Earth’s surface. … Shortwave radiation reflected back to space by clouds.
2. why would advances in medicine lead to population growth? a. treatment of deadly diseases allows people to live longer b. people are unable to have babies without medical help c. babies do not grow if they don't take their medicines d. drugs allow mothers to have multiple births, like octuplets.
Answers
The treatment of deadly diseases allows people to live longer which leads to increase in population.
Why would advances in medicine lead to population growth?Due to advances in medicine, the death rates become slower which leads to increase in population. Medicines helps in the treatment of many diseases which causes death.
So we can conclude that the treatment of deadly diseases allows people to live longer which leads to increase in population.
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How does the structure of a muscle cell relate to its function?
Answers
Answer:
A single muscle cell is elongated and has a large number of myofibrils. Muscle contraction is performed by thin strands of the proteins actin and myosin. Muscle flexing is made possible by the elongated form of muscle cells, which permits contraction proteins to line up in an overlapping manner.
Which statement best describes the effect of color on energy absorption and reflection?
Light colors reflect more and absorb less than dark colors.
Light colors reflect less and absorb more than dark colors.
Light colors absorb and reflect more than dark colors.
Light colors absorb and reflect less than dark colors.
Answers
The answer is A) Light colors reflect more and absorb less than dark colors.
Because remember, white is the absence of color (reflect) and black is every color (absorbs) :D
Light colors reflect more and absorb less than dark colors. The correct option is A.
What is reflection?When two different media come together at an interface, a wavefront might change direction so that it returns to the first medium, which is known as reflection. The reflection of light, sound, and water waves are typical examples.
It is referred to as light reflection when a light ray hits a polished, smooth surface and bounces back. The incident light rays hit the surface and are reflected off of it.
The darker colours absorb more of the various light energy wavelengths, whereas white or light-colored objects reflect the majority of these wavelengths, which is why heat absorption depends on hue. As a result, black absorbs all light's wavelengths while reflecting none.
Thus, the correct option is A.
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_____ scans create pictures of the living, active brain.
Answers
Answer:
A brain positron emission tomography (PET) scan. This is a type of scan that allows doctors to see how your brain is functioning
Explanation:
Which process helps replace damaged skin cells?
meiosis
mitosis
fertilization
fusion
Answers
Answer:
1) growth and development
2) to heal wounds,cuts,etc.and replace damage cells
3) to maintain the ideal surface area to volume ratio
❕♥️HOPE IT HELP'S♥️❕Mitosis is a process of cell division that results in the formation of two new daughter cells. It plays a crucial role in living organisms. It helps to maintain the genetic stability and helps in increasing number of cells in body thus leading to growth.
Replacement of damaged cells is carried out by mitosis. Mitosis helps in the production of identical copies of the cells this helps in repairing the damages tissue or worn out cells. It creates new skin cells to replace read skin cells.Kathy has been exercising vigorously for the past half hour. Her body feels sore and she feels pain in her limbs. What could be the reason for this?
A.
Accumulation of lactic acid in the muscles of her limbs
B.
Accumulation of alcohol in the muscles of her limbs
C.
Accumulation of CO2 in the muscles of her limbs
Answers
Answer:
I think the answer is C.
Explanation:
Your body will feel weak if that happens.
Hysterectomy Is a surgical removal ofthe Uterus.It may or may not be accompanied by Salpingo-oophorectomy, removal of the uterine tubes and ovaries. Why would it be an advantage to leave the ovaries intact
Answers
It is an advantage to leave the ovaries intact because the woman will still be able to produce eggs and children through In vitro fertilization.
What is an Ovary?This is a part of the female reproductive system which serves as the site for egg production.
When the ovaries are intact, the eggs can be taken and fertilized with the sperm in a lab dish and implanted into the uterus of another female for development of the zygote.
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What term refers to the process by which cancerous cells spread throughout the body? a) malignant
b) metastasis
c) benign
d) mitosis
Answers
Answer:
I believe the correct answer is B) metastasis
lime is applied to soil to remove or reduce - of the soil
Answers
Answer:
What i got it is reduce
because Lime will neutralize this acidity by dissolving, whereupon it releases a base into the soil solution that reacts with the acidic components, hydrogen and aluminum. Soil pH is an indicator of “soil acidity”
Which is included in a lysogenic cycle? early lysis of the host cell the creation and assembly of viral particles the appearance of viral infection symptoms a period of genetic integration
Answers
The lysogenic cycle includes the early lysis of the host cell that involves the incorporation of the viral genome into the host cell genome.
What do you mean by the Lysogenic cycle?
A lysogenic cycle may be defined as a method by which a virus can replicate its DNA using a host cell.
In the lysogenic cycle, the viral DNA gets integrated into the host's DNA but viral genes are not expressed. Lysogeny is characterized by the integration of the bacteriophage nucleic acid into the host bacterium's genome.
Therefore, the lysogenic cycle includes the early lysis of the host cell that involves the incorporation of the viral genome into the host cell genome.
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Which valve prevents backflow into the right ventricle?.
Answers
These valves ensure that blood flows in only one direction, preventing backflow. The tricuspid valve is situated between the right atrium and right ventricle. The pulmonary valve is between the right ventricle and the pulmonary artery. The mitral valve is between the left atrium and left ventricle.
Which of the following names an effect of increasing the livestock population through higher fertility rates?
increased cost for food products
increased cost for food products
improved behavior in animals
improved behavior in animals
increased methane emissions from cattle
increased methane emissions from cattle
improved animal-husbandry practices
improved animal-husbandry practices
Answers
Explanation:
Which part of a sound wave measures loudness? O wavelength O magnitude O amplitude O frequency
Answers
Wavelength and frequency are related to the tone/pitch of the sound.
Magnitude does not apply to sound waves.