Which of the following abiotic factor operates within an environment?
A
Predation
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B
Competition
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C
Biological control
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D
Physiological control
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Solution
The correct option is C Biological control The word 'Abiotic' means non-living. The non-living factor in the given choice is temperature and helium. Helium (He) is an inert gas and is non-reactive and thus does not form compounds with anything. So is temperature an abiotic factor that operates within an ecosystem. It is responsible for the different type of vegetations and other living organisms. All the other choices given here are biotic factors or living factors.