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AURORKA [14]
3 years ago
7

Describe the difference between a food chain and a food web.(1 point)

Biology
1 answer:
ale4655 [162]3 years ago
3 0
The first one makes more sense
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The enzyme pepsin is produced in the cells of the stomach but not in the cells of the small intestine. The small intestine produ
kkurt [141]

Answer:

D) Expressed in the stomach, but not in the cells of the small intestine

Explanation:

6 0
3 years ago
What is poisonous enough to kill 100,000 turkeys? That’s the question asked by scientists who studied a mass die-off of turkeys
Eduardwww [97]

Answer: The best way for farmers to prevent fungi from growing is to make sure there is not enough  moisture for fungi to survive and grow

Explanation: Fungi require moisture or water for a wide number of reasons. One of the best guesses I can give as a reason to why they might need it is to help them in the process of digestion. Fungi use digestive enzymes which are specially shaped proteins that break down macromolecules like glucose or cellulose and a number of other biological molecules, and they do this through one of two processes, dehydration synthesis, or hydrolysis. Hydrolysis in particular is the one that requires water. It uses pieces of water to break a bond between complex sugars and carbohydrates among other molecules, to separate them into smaller and easier to absorb monomers which are the subunits that make up the molecule. It breaks apart the water and uses the pieces to fill in the gaps of the pieces the monomers used to share.

8 0
3 years ago
Match these nutrients with their functions. (iodine, Vitamin D, Vitamin A, phosphorus, Vitamin E, Vitamin K, water, Vitamin B, c
Dafna1 [17]

Answer;(iodine, Vitamin D, Vitamin A, phosphorus, Vitamin E, Vitamin K, water, Vitamin B, calcium, Vitamin C, iron)

1. helps cells function normally ----vitamin E

2. needed by all cells, especially by red blood cells, to help carry oxygen ---iron

3. helps in forming blood cells, helps resist infection, helps prevent fatigue and aids in healing, prevents scurvy ----vitamin C

4. helps keep skin healthy, protects against night blindness, promotes healthy eyes -----vitamin A

5. used by the body to form bones and teeth, helps blood clot, helps muscles and nerves work normally ----calcium

6. keeps nervous system healthy, keeps appetite and digestion healthy, helps body chemistry to function normally ----vitamin B

7. helps blood to clot ----vitamin K

8. necessary to carry nutrients to cells and carry away waste products ----water

9. helps body use calcium and phosphorus to form strong bones ----vitamin D

10. similar to calcium; needed by all cells in small amounts to help them use other nutrients for energy ---phosphorus

11. helps control rate of metabolism of food ----Iodine

Explanation:

6 0
3 years ago
Census data show that the human population doubled from 2.65 billion in 1953 to 5.3 billion in 1990. If it continues to double a
madam [21]

The question is incomplete, the complete question is;

Census data show that the human population

doubled from 2.65 billion in 1953 to 5.3 billion

in 1990. If it continues to double at this rate,

the human population could reach 10 billion

by the year 2020. Which BEST explains how

this rate of human growth can harm the

environment on which humans depend?

A. by gradually making up more available energy

B. by using resources faster than they can be

replaced

C. by changing how matter cycles through an

ecosystem

D. by increasing the variety of ecosystems that are

Answer:

by using resources faster than they can be

replaced

Explanation:

As population of the world continues to grow, there is greater demands for resources which are obtained from the environment such as crude oil for energy, solid minerals for various applications, wood for furniture etc.

Demand for these materials increase exponentially as population increases thus they are extracted at a faster rate than nature can replace them. This will eventually harm the environment on which humans depend as population increases.

7 0
3 years ago
Read 2 more answers
What logical scientific inference can be drawn from the observation that many different species have homologous structures?
Alexus [3.1K]
<h2>Answer:</h2>

Option C) All species with similar anatomical structures are related.

<h2>Explanation:</h2>
  • Homologous Structure: A homologous structure is an example of an organ or bone that appears in different animals, which are anatomically similar structure demonstrating descent from a common ancestor.
  • All species with similar anatomical structures which means they have  homologous structures and are related as they have evolved from a common ancestor.
  • Homologous structures shows divergent evolution.

Result: Option C is the correct scientific inference for homologous structures.

5 0
3 years ago
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