The correct answer is (C) competition which determines the succession of an animal in the ecosystem.
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What factors influence when an animal species enters a successional ecosystem?</h3>
Interaction and competition among species in a certain environment is a biotic element of ecological primary succession. When succession begins and the first species, known as pioneer species, alter the environmental structure, new species that are more tolerant of the new conditions move in.
These communities gradually replace one another until a "climax community"—such as a mature forest—is attained or a disturbance, such as a fire, occurs.
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The majority of the accessible drinking water on our planet comes from glaciers.
Fossil fuels and green house gases which burn holes in the ozone layer of the atmosphere causing global warming
The answer for this question is B
In reproductive cells so the answer is A and B
