Answer:
Answer: C) In an ecosystem, prey and predator populations affect each other.
Think of cause and effect: The wolves keep the deer population in check because they hunt them. If the wolf population increases, the deer population goes down. If you reduce the number of wolves than the deer population goes up.
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Explanation:
I need help I don't understand
why was soil in wheat farms so much more vulnerable to erosion?
Explanation: The potential soil erosion increases if the soil has no or very little vegetative cover of plants/grass and/or crop residues. Plant and residue cover protects the soil from rain impact and splashes from it. It tends to slow down the movement of runoff water and allows excess surface water to infiltrate.
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I got two wrong one has to switch the, the other one
Combustion - the burning of fuels and harmful gases in the atmosphere through factories.
decomposition - when skulls and bones are decomposed to give out carbon dioxide.
diffusion - when the the molecules move from a region of higher concentration to a region of lower concentration.
respiration - when person breathes in oxygen and out carbon dioxide.
photosynthesis - is the process where trees make glucose and oxygen with the help of sunlight and mineral and water from soils.
When using a high magnification lens, how can you bring the object you are viewing into sharper focus?Question 2 options:
adjusting the diaphragm
use the coarse adjustment knob
moving the stage clips
use the fine adjustment knob
Answer:
Use the fine adjustment knob
What are the horticultural advantages of producing plants by cuttings rather than from seeds? Can you think of any disadvantages?
.Propagating a plant by cuttings will allow you to keep the special characteristics of that plant. Plants grown from seed will often be different from the parent plant and from each other. Propagating a new plant via cuttings avoids the difficulties of propagating by seed.
Disadvantages of propagating stem cuttings are: You will get a lack of genetic diversity and you may potentially increase Insect and Disease weakness in the new plant.
The general term that refers to the sum total of all chemical reactions occurring in cells to obtain, release, and use energy is:.
1. Angiotensin II triggers the __________ of the intraglomerular mesangial cells, which results in a(an) __________ of the filtration surface area.
Angiotensin II triggers the contraction of the intraglomerular mesangial cells, which results in a decrease in the filtration surface area.
What is Angiotensin II?Angiotensin II is a peptide hormone capable of narrowing the blood vessels, which is fundamental in many physiological processes.
Angiotensin II is also fundamental for retaining sodium and water in the body and activating the secretion of aldosterone.
This peptide hormone (Angiotensin II) is secreted by various cells types, especially in the liver, in different body tissues.
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Which is not an impact on ecosystems during a drought?
A. Declines in surface water
B. Land subsidence
C. Increased organism population
D. Seawater intrusion
Answer:
c
it is because during drought there will be less water around us.so the no of animals decrease .
How could we slow down or help stop ocean acidification?
Answer stop using plastic.
Explanation: Hello! My name is Hunter and I am a Marine Biologist within the state of Juno beach Fl, I work at a marine center located there and I teach people about Marine life animals and some ways to approach animals, and more. And here are some ways you can slow down or help stop ocean acidification. If you care for marine animals take the decision to use glass, wooden, bamboo, or metal etensals. This helps instead of using plastic because most plastic ends up being in the ocean. studies show that about 150 animals die a day from inhaling plastic. Second, Most plastic has acid or a type of smell like the rubber gloves at the dentist, That smell and taste can be extremely toxic and deadly for marine life animals. Third, If you are a fisher or you work on a supply boat, Make sure your oil on the boat doesn't leak, Just because you call someone and they put a net around the oil doesn't mean animals can't get under the net. Animals in the ocean are free, If you're on or work on a supply boat, Make sure to check your oil frequently. Oil leaks happen more than you think if you are not experianced! I hope this helped and how WE can slow down or reduce acdification. Have a great rest of your day or night.
Enzymes have an attachment site called the __ site for the __ to join
Answer:
Enzymes have an attachment site called the active site for the substrate to join. Consequently, what is catalytic site of enzyme? In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction.
Enzymes have an attachment site called the active site for the substrate to join. Enzymes then convert the substrate into a product and release it from the active site.
What is an enzyme, and how does it function?
The enzyme has an active site where the substrate binds and then forms a noncovalent bond with the enzyme. As a result of this binding, the product is formed by different modifications.
The enzyme has another site apart from the active site, and that is called the allosteric site. This site is occupied by regulators that can regulate the enzyme by enhancing or suppressing the enzyme's activity.
The enzyme is made up of amino acids by the process of translation, but not all enzymes are made up of amino acids. Apart from the polypeptide chain, there are molecules such as zinc, magnesium, etc. at the catalytic site to help enzymes make the product.
Hence, enzymes have an attachment site called the active site for the substrate to join.
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For which of these reasons is the word expedite a verb?
O A. It can easily be pictured.
O B. It ends in -ite.
O C. It can be broken down into three parts.
O D. It has no antonyms.
Help
Answer:
answer is d
Explanation:
I just guest that hope it's correct
Answer: It ends in -ite.
Select all of the following statements that describe the structure of a molecule of DNA
The statements that describe the structure of a molecule of DNA include the following:
Twisted double helixContains deoxyribose sugarContains the nitrogenous bases, adenine, thymine, cytosine and guanine.What is DNA?This is known as deoxyribonucleic acid and carries genetic instructions in all living things.
It is a twisted double helix with a deoxyribose sugar and the nitrogenous bases such as adenine, thymine, cytosine and guanine.
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Thoroughly analyze the alguments made in the article regarding potential
evolutionary links between the australopithecines and the ancestors of
the genus Homo. What evidence is provided by the author to conclude
that the later paranthropoids were not direct ancestors of modern
humans? Is this evidence sufficient to support his claim? Why or why not?
Extinct species of hominins known as Australopithecus may have been the ancestors of modern humans (Homo sapiens). The first fossils, which were found in South Africa, are referred to as Australopithecus.
After almost a century of findings, the first species to be called Australopithecus was given that name in 1925, and today, paleoanthropologists may access a sizable collection of fossilized hominin remains from Africa. High-quality fossils of early human species are still very hard to find despite decades of research, making it even more important for scientists to continue finding them in order to better understand the biology and variety of Australopithecus. The Great Rift Valley in eastern Africa, the limestone caves of South Africa, the sedimentary deposits of the Chad Basin, and the Djurab Desert are the only places on earth where geological circumstances are favorable for the preservation and excavation of hominid fossils (an arid region in central Chad).Learn more about the Australopithecus with the help of the given link:
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An earthquake causes a new canyon to form. The canyon separates two populations of snakes. After many years, the canyon fills in, and the two populations come back together. If they can still interbreed, then __________.
Select one:
a.
evolution has occurred
b.
evolution has not occurred
c.
evolution will occur when the offspring are born
d.
evolution will never occur
Answer:
B. Evolution has no occurred
Explanation:
The change in genetics would prohibit the two populations from interbreeding.
EX. Take humans and apes, we are generally the same species however we cannot successfully interbreed.
What causes scientists to disagree?
O A. Some scientists are better than others.
B. They have unique perspectives and skills.
C. Scientists disagree to get attention.
O D. Many scientists do not use the scientific process.
Answer:
B. They have unique perspectives and skills.
How is a nerve impulse generated when most sensory receptors are activated?.
Answer:
The trigeminal nerve is the part of the nervous system responsible for sending pain, touch and temperature sensations from your face to your brain. It is a large, three-part nerve in your head that provides sensation.One section called the mandibular nerve involves motor function to help you chew and swallow.Explanation:
Which of the following will increase the reaction rate of an enzyme reaction?
Decreasing the amount of enzyme while leaving the product amount unchanged
Decreasing the amount of product while leaving the enzyme amount unchanged
Increasing the amount of enzyme while leaving the substrate amount unchanged
Increasing the amount of substrate while leaving the enzyme amount unchanged
Answer:
Increasing the amount of enzyme while leaving the substrate amount unchanged
Explanation:
3. Algae makes energy-rich carbon compounds through
photosynthesis.
4. A volcano erupts.
5. Carbon dioxide dissolves in rainwater.
<
6. Humans use gasoline to power their cars.
7. Organisms carry out cellular respiration to release
energy from food molecules.
Check Answer
A complementary process in nature either adds (options 3, 6, and 7) or removes ( options 4 and 5) carbon dioxide from the atmosphere.
Complementary processes and it's benefitsThe processes that leads to the addition of carbondioxide back to the atmosphere include the following:
The eruption of volcanoes.Cellular respiration carried out by organisms to release energy from food molecules.The use of gasoline to power carsThe processes that leads to the removal of carbondioxide from the atmosphere include:
The production of energy-rich carbon compounds through photosynthesis.The dissolution of carbondioxide in rainwater.Learn more about photosynthesis here:
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The process in which a gas turns back into a liquid is called __________. What word completes the sentencA helium balloon's temperature is raised by 1°C. Will this cause its molecules to move faster or slower?e?
Answer:
the process is called condensation.
the molecules will move faster
The ______ are a series of fibrous connective tissue membranes covering the central nervous system.
Answer:
meninges
Explanation:
Select all the correct answers. which two examples may be converted into fossil fuel after being buried under pressure for a long period of time? used cans plants animal waste electronic waste chemicals
Fossil fuel is carbon containing material formed by underground remains of dead plants and animals, including human extract and can be burned as fuels.
What is the procedure of changing fossils into fuel?These fuels are found in earth's crust and contains carbon that burns to produce energy. Its examples can include coal, petroleum, oil, etc.
These fuels are created when the buried plants and animals are subjected to intense heat and pressure. It contains carbon and hydrogen, which burns to produce energy.
Thus, here plants and animal waste can be converted into fossils fuels, while electronic waste and used cans cannot.
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During which phase of the cell cycle does the cytoplasm of a cell divide to form two daughter cells?.
Answer:
Telophase or in other words the final phase of mitosis
Explanation:
Natural killer (NK) cells ________. A) are also called cytotoxic T cells B) are a type of phagocyte C) are cells of the adaptive immune system D) can kill cancer cells before the immune system is activated
Natural killer (NK) cells are also called cytotoxic T cells (Option A).
What are NK cells?The NK (Natural killer) cells are cytotoxic lymphocytes that trigger responses from the innate immune system.
Natural killer cells are one of the most important types of lymphocytes (white blood cells) in human cells.
These cells have cytotoxic properties because they produce cytotoxic granules and different cytokines.
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How is it that some people have different DNA than others? What exactly about the DNA is different?
Answer:
Although DNA is univeral, people have different DNA from each other mainly because of mutations, which change our sequences (the order of the nucleotides)
Explanation:
label the parts of cells using words from the word bank?
1. organelles
2. membrane
3. cytoplasm
4. nucleus
biologydictionarynet
Which stage in the life cycle of a plant is represented in this picture?
a
Adult plant
b
Seed
c
Seedling
d
Sprout
Answer:
D) Sprout
Explanation:
The study of embryological similarities and differences among species is called _______.
Comparative embroyology
explanation:
Comparative embroyology is the study of the similarities and the difference.
The FBI agents are called "Hoovers," a reference to legendary top-G-man be
Edgar Hoover, but also a clever reference to a vacuum cleaner brand. There
are numerous shots of vacuums being used to gather hair, dead skin cells,
and nails. Why are these materials being collected?
To extract DNA and use DNA fingerprinting to identify who was at
the scene of a crime.
0 To clean up the crime scene because it was really dirty.
To view the specimen under a microscope to determine who was at
the scene of a crime.
O To extract proteins and use protein fingerprinting to identify who was
at the scene of a crime.
We can confirm that the materials being collected at the crime scene are used to extract DNA and use DNA fingerprinting to identify who was at the scene of the crime.
How does DNA help identify suspects?This is due to the fact that the DNA of each individual is unique. Meaning that as long as the FBI has a database to compare it to, they can quickly identify whose DNA it is and confirm their presence at the crime scene.
Therefore, we can confirm that materials being collected at the crime scene are used to extract DNA and use DNA fingerprinting to identify who was at the scene of the crime.
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Are there any countries where men life longer than women
Which system of the body would be most directly affected if excess cholesterol led to plaque deposits in arteries?
circulatory system
immune system
endocrine system
respiratory system
Answer:
endocrine system
Explanation:
it would stop circulating hormones through they system