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Ecology Quiz 11 (25 MCQs)

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1. How many protons are in an atom with an atomic number of 20, an atomic mass of 45, and a charge of +2?

2. An organism's place in the biotic environment and its role in an ecosystem is

3. Which answer most accurately describes the roles of ALL organisms in ecosystems?

4. Which is NOT an abiotic factor:

5. What behavior allows newborns to recognize and follow the first moving object they see?

6. Which is the best description of an ecosystem?

7. Which zone in a lake is open-water surface

8. What word most closely means a relationship where both individuals benefit?

9. In the energy pyramid, an organism that eats the secondary consumer is called

10. Which statement best describes what will happen if the population of herbivores in the community decreases

11. An organism who is a carnivore has a diet consisting of _____

12. Which of these is always located at the bottom of an energy pyramid?

13. A non-living factor that affects an ecosystem is called

14. When a population reaches the carrying capacity of its habitat, the effects of crowding can be felt. Which of the following is NOT a density-dependent effect?

15. An organism that relies on other organisms for food (another name for a consumer)

16. The species has no natural predators because it evolved in a different region than it lives in currently

17. Human activity can cause excess nutrients in our watershed that are harmful to the ocean system. Where do excess nutrients, such as nitrogen and phosphorous, typically come from?

18. An organism who is an omnivore has a diet consisting of _____

19. In a terrestrial ecosystem, the trophic level that would contain the largest biomass would be the

20. In the water cycle, how can the ground gets the water?

21. What does a Pyramid of Energy represent?

22. An area where fresh water from streams and rivers spills into the ocean is called an _____

23. Something that limits the population size. For example:if there is not enough food, the population can't grow bigger.

24. Light compensation zone refers to.

25. If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?

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Ecology Quiz 11 (25 MCQs)

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