Ecology Quiz
2 Questions
| Attempts: 659
Assess the student knowledge on flow of energy and nutrients through an ecosystem. Identify various trophic levels.
Questions and Answers
- 1.
Environmental changes can occur in a give area over time. What is the term used to describe living parts of an organism's environment?
- A.
Climax community
- B.
Primary succession
- C.
Abiotic factors
- D.
Biotic factors
Correct Answer
D. Biotic factors -
- 2.
Nitrogen is a crucial element for plant processes. This element cycles through the atmosphere, the soil and a multitude of living things via the nitrogen cycle. According to the law of conservation of mass, ________________
- A.
The amount of nitrogen in a system decreases as it cycles through that system.
- B.
The amount of nitrogen in a system increases as it cycles through that system.
- C.
Some nitrogen is lost as it is consumed and utilized by organisms for metabolic functions.
- D.
The total amount of nitrogen in a system does not change as it cycles through that system.
Correct Answer
D. The total amount of nitrogen in a system does not change as it cycles through that system. -
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Current Version
-
Dec 13, 2012Quiz Edited by
ProProfs Editorial Team -
Jun 13, 2008Quiz Created by
Rmcminn
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