In a biotic community, the most important factor for survival of an animal is
Day length
Soil moisture
Green food
Predators
A
Green food
B
Day length
C
Soil moisture
D
Predators
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Solution
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An ecosystem is made up of biotic and abiotic factors. Biotic factors involves animals, plants, microorganisms. Abiotic factors involves temperature, air, water, land. Biotic community involves group of interacting populations. In a biotic community, the most important factor for survival of an animal is predators. They control the size of prey populations. They also increases the biodiversity by preventing a single species for being dominant.
Thus, the correct answer is 'Predators.'
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