Ecology Quiz 75 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. All of the biotic and abiotic factors.

Correct Answer: B) Ecosystem.

2. A species that still needs to be protected but is not an immediate danger of becoming extinct.

Correct Answer: C) Threatened species.

3. Organisms that need to consume food from another source

Correct Answer: A) Consumers.

4. How nitrogen is "fixed" into a useable form for plants .....

Correct Answer: C) Through action of bacteria & lightning.

5. These organisms break down the remains of dead organisms and return their nutrients to the environment

Correct Answer: B) Decoposer.

6. In which year was the term biocenosis introduced?

Correct Answer: E) 1877.

7. What is a trophic level?

Correct Answer: A) Feeding position in a food chain or food web, such as producer, primary consumer, or secondary consumer.

8. The rainforest has the greatest variety of different organisms that live there. In other words, the rainforest has the greatest .....

Correct Answer: B) Biodiversity.

9. An animal that is hunted and eaten by other animals is called .....

Correct Answer: A) Prey.

10. A population that is growing exponentially in the absence of limiting factors can be illustrated by a (n) .....

Correct Answer: B) J-shaped curve.

11. What is oxygen?

Correct Answer: C) It is a very important component of life that allows us to breathe.

12. The organism that is harmed in parasitism is called the:

Correct Answer: B) Host.

13. Which best describes the relationship between climate and biodiversity?

Correct Answer: A) As climate determines the plants in an ecosystem, it also inﬂuences the biodiversity of a biome.

14. A group of populations that interact in an area is .....

Correct Answer: B) Community.

15. We can ..... paper, tins, and bottles

Correct Answer: B) Recycle.

16. What is it called when one organism consumes another organism for food?

Correct Answer: A) Predation.

17. This helps plants maintain shape, storage, digestion and waste. This organelle can become very enlarged when plants store water.

Correct Answer: B) Vacuoles.

18. Who discovered Ecology

Correct Answer: C) Ernst Haeckel.

19. Which of the following biomes does North Carolina fall into?

Correct Answer: B) Forest.

20. Sustainability is making sure that the planet and its resources can continue to provide life.

Correct Answer: A) True.