Ecology Quiz 145 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Aother word (a synonym) for a producer

Correct Answer: C) Autotroph.

2. Which eats plants and animals?

Correct Answer: A) Omnivore.

3. Examples of ecosystems:

Correct Answer: A) A pond, a river, a park.

4. An ecosystem is made up of .....

Correct Answer: C) Both living and non-living things.

5. Commensalism is a relationship where:

Correct Answer: D) One species is benefited and the other is unaffected.

6. A nonliving thing that affects the ecosystem

Correct Answer: A) Abiotic Factor.

7. How do decomposers get their energy?

Correct Answer: A) From recycling dead and decaying matter.

8. Which are decomposers?

Correct Answer: D) Worms.

9. Cutting down trees to use as wood or paper is called .....

Correct Answer: C) Logging.

10. Gets its energy from eating other organisms.

Correct Answer: B) Consumer.

11. Which of the following heterotrophs only consumes plants?

Correct Answer: C) Herbivore.

12. Which type of organism(s) perform cellular respiration?

Correct Answer: A) All living things.

13. Which is not a biotic factor?

Correct Answer: C) Water.

14. Orchids growing in tall tropical trees, the trees are not harmed but the orchids get sunlight.

Correct Answer: B) Commensalism.

15. An organism that maintains constant internal conditions is a .....

Correct Answer: A) Regulator.

16. The Earth's temperature is getting higher and higher every year. It is called .....

Correct Answer: B) A global warming.

17. An average temperature range of 75-85*F is most likely found in the .....

Correct Answer: A) Rainforest.

18. All of the following are common cycles in an environment except ..... (Hint-one of these cycles was from the very beginning of the year)

Correct Answer: E) The Sodium cycle.

19. What would happen to the ecosystem if the population of deer in an area became much larger?

Correct Answer: B) Other herbivores may starve and die out.

20. What is the role of decomposers in the carbon cycle?

Correct Answer: A) To break down dead organic matter and release carbon dioxide via cell respiration.