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Which is a biotic factor that affects the size of a population in a specific ecosystem?Group of answer choicesaverage temperature of the ecosystemtype of soil in the ecosystemnumber and kinds of predators in the ecosystemconcentration of oxygen in the ecosystem

Question

Which is a biotic factor that affects the size of a population in a specific ecosystem?Group of answer choicesaverage temperature of the ecosystemtype of soil in the ecosystemnumber and kinds of predators in the ecosystemconcentration of oxygen in the ecosystem

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Solution

The biotic factor that affects the size of a population in a specific ecosystem from the given options is the "number and kinds of predators in the ecosystem".

Here's why:

Biotic factors are the living components of an ecosystem. They affect the ability of organisms to survive and reproduce. In this case, the number and kinds of predators in an ecosystem directly influence the size of the prey population. If there are many predators, the prey population may decrease. Conversely, if there are few predators, the prey population may increase.

On the other hand, average temperature, type of soil, and concentration of oxygen are all abiotic factors, or non-living components of an ecosystem. While these factors can also impact population size, they are not considered biotic factors.

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