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irakobra [83]
2 years ago
8

3. If all the producers in the above food web contain 40,000 Kcal of energy, how much

Biology
1 answer:
Artist 52 [7]2 years ago
8 0

Answer:

The answer is only about 40

Explanation:

Whenever something is consumed, only about 10% of the energy is consumed. So when a primary consumer eats the producer, they will get about 4,000 kcal. Then the secondary consumer will get about 400. Finally, the tertiary consumer will only get about 40. Basically, just multiple the original number by 0.1 for every time it goes through consumption.

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Celery is composed of millions of plant cells. Do these cells contain any water?
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Answer:

Both C and E are reasonable answers.

Explanation:

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A. This describes a cause and effect (BP down --> venous return down). It does not describe an active physiological response to counteract the BP drop such as an increase in heart rate. Not homeostasis.

B. Again, a cause and effect is described. Blood vessel walls becoming thinner is not a response to counteract increased BP. Not homeostasis.

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D. This sounds like homeostasis, but it's actually the opposite of what happens. Dilation of peripheral blood vessels is a way for the body to get rid of heat. This is the opposite of what you would want if the body got colder - it would make the stress worse, which is the opposite of homeostasis. In actuality the response to cold temperature is constriction of blood vessels to preserve heat.

E. This deescribes homeostasis. The stress is increased glucose. The body's response to manage it is to release insulin, which helps remove the glucose from circulation.

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3 years ago
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Explanation:

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2 years ago
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