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The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..

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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

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Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

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Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..

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The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

Ecosystem Succession
Ecosystem Succession

If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..