Ecology Quiz 11 (20 MCQs)

Quiz Instructions

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1. Which is faster:Primary or Secondary Succession?

Correct Answer: B) Secondary Succession.

2. Where and when an organisms feeds is a behavioral factor that helps define its niche.

Correct Answer: A) True.

3. The diagram represents different levels of a marine energy pyramid. Between which two levels is the greatest amount of energy transferred?

Correct Answer: D) U and T.

4. The symbiotic relationship between a flower and the insect that feeds on its nectar is most likely an example of

Correct Answer: A) Mutualism because the flower provides the insect with food, and the insect pollinates the flower.

5. The area on Earth where all life exists is called the

Correct Answer: D) Biosphere.

6. Which of the following organisms from the Amazon Rainforest is able to produce its own food?

Correct Answer: D) Giant Water Lilies.

7. Organisms that break down dead plant and animal matter into simpler compounds

Correct Answer: C) Decomposers.

8. Takara says that all insects are consumers. Which of the following would support Takara's statement?

Correct Answer: A) Insects get their energy by eating plants or animals.

9. What best describes the term succession?

Correct Answer: B) Gradual changes over time to fully create or restore and ecosystem.

10. Which energy level is a single pathway?

Correct Answer: B) Food chain.

11. Which process is considered to be a part of the carbon cycle?

Correct Answer: C) Photosynthesis.

12. The rivalry between organisms for resources such as food, water, shelter, mates, etc.

Correct Answer: A) Competition.

13. As energy flows through an ecological pyramid .....

Correct Answer: A) 10% of available energy is passed to each increasing trophic level.

14. ..... is the average weather in a place over many years.

Correct Answer: B) Climate.

15. Over time, useful traits such as long legs become more common in a population of wading birds as a result of

Correct Answer: C) Natural selection.

16. Many populations together make a

Correct Answer: A) Community.

17. One species benefits, the other species is harmed

Correct Answer: B) Parasitism.

18. An abiotic or biotic factor that controls the number of individuals within a population

Correct Answer: A) Limiting factor.

19. What does a Primary Consumer eat?

Correct Answer: C) Producers.

20. The number and range of different species found in an ecosystem are called its

Correct Answer: C) Species diversity.