The collection of all the food chains of an ecosystem is called the 1) food web

Question

The collection of all the food chains of an ecosystem is called the 1) food web 2) food pyramid 3) bioweb 4) all of the above 5) none of the above Some insects that lack any specific chemical defenses blend with their environment to avoid predators. This type of defense strategy is called 1) Batesian mimicry. 2) apoptosis. 3) cryptic coloration. 4) warning coloration. 5) Mullerian mimicry. What is a practical reason for knowing the rate of increase (r) for a population? 1) Estimate how fast a population recovers after a large decline. 2) Establish harvest quotas for fish. 3) Determine how many deer may be shot in a national forest. 4) All of the above 5) None of the above

Explanation / Answer

Q9. The collection of food chains of an ecosystem is called:

Food web

Q9 Some insects lack chemical self-defense; so they blend in the environment to avoid predators. This is called:

3. Cryptic coloration as it helps in camouflaging.

Q 10. The practical reason for knowing the rate of increase of a population is:

4) all of the above.

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