Ecology Quiz 258 (20 MCQs)

Quiz Instructions

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1. Decomposers are important because they return ..... to the soil for new producers to use and grow.

Correct Answer: D) Nutrients.

2. Bacteria in an environment are special because they return dead material to the soil. This special role is given the name

Correct Answer: B) Decoposer.

3. Part of a cycle that holds an element or water for a short period of time is a reservoir pool.

Correct Answer: B) False.

4. Which of the following best describes a population?

Correct Answer: A) All the organisms of a certain species in a given area.

5. A group of closely related organisms that are very similar to each other and are able to reproduce?

Correct Answer: A) Species.

6. Which of the following is a part of an ecosystem that can die without affecting the ecosystems functionality?

Correct Answer: D) None of the above.

7. Which of these statements is the most complete definition of ecology?

Correct Answer: D) The study of the interactions between organisms and their environment.

8. Because of the permafrost, plants in the tundra have:

Correct Answer: A) Shallow root systems.

9. What is the term that describes a steady and stable community?

Correct Answer: C) Climax community.

10. Which example shows a relationship between a living thing and a non-living thing?

Correct Answer: C) A tree gets nutrients from the soil.

11. Population of animal or plant at risk fo Extinction

Correct Answer: A) Endangered Species.

12. Ecosystem with different kinds of plants & animals, determined by climate:

Correct Answer: C) Biome.

13. What will happen because of the heavy global use of fossil fuels?

Correct Answer: C) The reserves will be used up.

14. An organism that eats both animals and plants is a(n)

Correct Answer: C) Omnivore.

15. The organism at the beginning of the food chain is called?

Correct Answer: A) Producer.

16. A jar has two fish in it. What will happen?

Correct Answer: A) Carbon dioxide will increase.

17. An omnivore is a .....

Correct Answer: A) Consumer that eats both plants and other animals.

18. Ecosystem includes both the biotic and abiotic factors.

Correct Answer: A) True.

19. The very first species to show up at the beginning of succession are called .....

Correct Answer: D) Pioneer species.

20. A penguin is white on its belly and black on its back so it harder to see underwater from above and below.

Correct Answer: B) Physical/Structural Adaptation.