The CORRECT examplification of an abiotic factor in an ecosystem is:
Correct answer: B. Minerals in soil
- A. Fish in a river
- B. Minerals in soil
- C. Mosquito larva in a pond
- D. Orchids in tropical rainforest
Explanation
Abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems. In this question, 'minerals in soil' is the correct answer because minerals are non-living components. The other options all refer to living organisms, such as fish, mosquito larvae, and orchids, and are thus biotic factors.
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About Ecosystems
An ecosystem consists of organisms interacting with one another and with abiotic factors such as light, water, soil and temperature. The topic covers populations and communities, food chains and webs, trophic levels, ecological pyramids, energy flow, nutrient cycles and ecological succession.
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