Ecology Quiz 29 (20 MCQs)

Quiz Instructions

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1. What would happen within a few months after the formation of a volcanic island?

Correct Answer: C) Lichen and moss would colonize the rocks.

2. Intraspecific competition means

Correct Answer: C) Organisms from the same species compete.

3. All of the following contribute directly to soil formation EXCEPT

Correct Answer: C) Volcanic eruptions.

4. Non-living things in the environment are called .....

Correct Answer: B) Abiotic.

5. A worm that breaks down soil, waste, and dead things is a .....

Correct Answer: B) Decomposer.

6. A relationship between two organisms in which one benefits and the other is harmed.

Correct Answer: C) Parasitism.

7. A leaf

Correct Answer: A) Biotic.

8. Producer = grassPrimary consumer = squirrel, deer, rabbitSecondary consumer = fox, bear In which biome would you most likely see this food chain?

Correct Answer: D) Deciduous forest.

9. Which of the following in NOT a characteristic of eukaryotic cells?

Correct Answer: D) Lack membrane-bound organelles.

10. Organisms in an ecosystem can have the same:

Correct Answer: B) Habitat.

11. A limiting factor .....

Correct Answer: D) Is Something that stops the growth or causes a decline in population.

12. Match:organic .....

Correct Answer: D) Food.

13. How do animals get the energy they need to survive?

Correct Answer: D) They eat plants or other animals.

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

Correct Answer: C) Tertiary consumer.

15. A parrot eats fruit, seeds, and insects. Which of the following terms best describes a parrot?

Correct Answer: D) Omnivore.

16. Which variable do scientists use to divide the open ocean into two zones?

Correct Answer: C) Depth.

17. How would the rabbit population be affected if land was cleared to build a housing development?

Correct Answer: B) The rabbit population would decrease.

18. An ecosystem thrives with biotic and abiotic components. An example of an abiotic part of an ecosystem is .....

Correct Answer: C) Water.

19. What source of energy evaporates the most water from Earth's surface?

Correct Answer: B) The sun.

20. Which of the following is TRUE of predator/prey relationships?

Correct Answer: D) The number of predators is determined by available prey.