Which of the following is an example of abiotic factors affecting an ecosystem? I. quantity and quality of water II. amount of light available III. nitrogen fixing bacteria IV. quantity of mineral
A. I and II only
B. I, II, and III only
C. I, II, and IV only
D. I, II, III, and IV
A. I and II only
B. I, II, and III only
C. I, II, and IV only
D. I, II, III, and IV
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ABIOTIC FACTOR
Which of the following is an example of abiotic factors affecting an ecosystem?
ANSWER
The correct answer is letter C. I, II, and IV only.
III. Nitrogen-fixing bacteria is an example of a living being (biotic) , so it isn't an abiotic factor that affects the ecosystem. While quantity, quality of water, amount of light (sunlight), and quantity of mineral in the soil are all examples of abiotic factors (non-living elements) that make difference in the environment.
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QUESTION
Which of the following is an example of abiotic factors affecting an ecosystem? I. quantity and quality of water II. amount of light available III. nitrogen fixing bacteria IV. quantity of mineral
ANSWER: C. I, II, and IV only
Abiotic factors refers to all non-living components on the ecosystem, while the biotic factors are the living organism. Choices I, II, and IV are all abiotic factors that affects the living condition of the biotic components. Nitrogen fixing bacteria belongs to the the group of prokaryotes who is lack of nucleus, but can still reproduce. Reproduction is one of the characteristic of life, hence, it belongs to the biotic factors.
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