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12 September, 21:58

Corals live near the ocean surface in some warm regions of the world. The corals provide a home for algae. The algae, in turn, produce food chat is used by the corals. Which of these is a biotic factor in this ecosystem?

A ... the temperature of the water

B. the salt content of the water

C. the size of the algae population.

D. the amount of sunlight that reaches the coral

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  1. 12 September, 23:54
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    The correct answer is C. the size of the algae population.

    Explanation:

    An ecosystem is made up of biotic and abiotic factors. Biotic factors are the living components of an ecosystem that impact the ecosystem and abiotic factors are the non - living components that have their own impact on the ecosystem.

    So according to the definition of biotic factor algae is the biotic factor in this question because algae is a living component of the ecosystem that influences the ecosystem by providing food to the corals.

    So by providing food algae supports the coral's ecosystem and coral provides a home to algae to grow. In the ecosystem, both biotic and abiotic factors interact with each other.

    So the correct answer is C. the size of the algae population.
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