Ecology Quiz 189 (20 MCQs)

Quiz Instructions

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1. The five levels of organization in the environment, from the first to the fifth level are

Correct Answer: C) Organism, population, community, ecosystem, biosphere.

2. Trees

Correct Answer: A) Biotic.

3. How much energy is moved from one trophic level to the next trophic level?

Correct Answer: C) 10%.

4. What are consumers called that are only herbivores and are never carnivores?

Correct Answer: B) Primary Consumers.

5. A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?

Correct Answer: C) Runoff.

6. What effect does bird extinction have on an ecosystem?

Correct Answer: D) Insect populations increase without birds eating them.

7. This process is responsible for most environmental problems of excess nitrogen and phosphorus entering streams, lakes and oceans.

Correct Answer: C) Agriculture and house hold runoff.

8. Humans are these type of consumers:

Correct Answer: A) Omnivores.

9. A relationship between organisms in which one depends on the other

Correct Answer: A) Symbiotic.

10. What do we call organisms that eat both plants and animals?

Correct Answer: C) Omnivore.

11. Organisms that break down wastes and dead organisms and return the raw materials to the environment

Correct Answer: C) Decoposer.

12. The movement of nitrogen through Earth, its atmosphere and living things

Correct Answer: B) Nitrogen cycle.

13. Battery

Correct Answer: D) Battery.

14. Nitrogen makes up ..... percent of Earth's atmosphere.

Correct Answer: B) 78.

15. A species living together in one area is called a:

Correct Answer: D) Population.

16. What type of interaction is this? Rabbit feeding on grass

Correct Answer: C) Predator-Prey.

17. An invasive species is when .....

Correct Answer: D) A species invades an area where it does not belong causing it to be a host.

18. During a field trip to a farm, Luna, Grace, and Oliver observed an animal that was eating only plants. What type of organism is this?

Correct Answer: B) Herbivore.

19. How long does a plastic bottle discarded in the forest take?

Correct Answer: C) 500 years.

20. WHich level of organization is made up of both biotic and abiotic factors

Correct Answer: A) Ecosystem.