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Question

A rocky community near a pond has no vegetation or animal life. After a period of approximately 50 years, the community boasts a wide variety of flora and fauna, including trees, animals and insects. Mostly, lichens are the first organisms to colonize rocky areas. These are known as the

A
Primary community
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B
Starter community
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C
Colony organisms
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D
Pioneer organisms
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E
Settler organisms
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Solution

The correct option is D Pioneer organisms
Pioneer species are the first species which colonize an ecosystem which has already been disrupted. Lichens in the given situation are called as pioneer species.
So, the correct answer is option D.

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