Ecology Quiz 156 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Male grizzly bears can maintain territorial control over many square miles. This role as a top predator in the territory is known as

Correct Answer: D) A niche.

2. Animals that eat other animals (meat).

Correct Answer: B) Carnivores.

3. Carbon enters the soil through dead plant or animal matter.

Correct Answer: A) Decomposition.

4. A species' role in its ecosystem is called its

Correct Answer: C) Niche.

5. Biomass refers to

Correct Answer: D) Amount of living tissue at the tropic level.

6. The reason that organisms can not produce populations of unlimited size is that

Correct Answer: A) The resources of Earth are finite.

7. How can people reduce the amount of natural resources they use?

Correct Answer: C) Use water, electricity, and gas conservatively and recycle metal, paper, and glass.

8. What is an example of an autotroph

Correct Answer: B) Trees.

9. What is the next trophic level that feeds on the primary consumers called?

Correct Answer: A) Secondary consumers.

10. Intraspecific competition is when .....

Correct Answer: B) 2 of the same species complete for resources.

11. ..... behaviors result from an interaction between innate behaviors & past experiences.

Correct Answer: D) Learned.

12. All animals are.....

Correct Answer: B) Consumers.

13. What is a quadrat

Correct Answer: B) A sampling tool typically of one square metre, used to sample plants.

14. What branch of ecology studies population?

Correct Answer: D) Demecology.

15. Which terms best describe autotrophs?

Correct Answer: A) Plants; producers.

16. What type of consumer eats meat?

Correct Answer: C) Carnivore.

17. Nonnative species are known as

Correct Answer: A) Invasive.

18. The lion is a carnivore.

Correct Answer: B) Niche.

19. Omnivores eat this

Correct Answer: C) Meat and plants.

20. What are the factors that limit populations?

Correct Answer: B) Limiting factors.