Read the following statements
Statement (A) : In ammensalism, one species is harmed whereas the other is unaffected.
Statement (B) : In commensalism, one species is benefited whereas the other is unaffected.

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Both A and B are true

A is true, B is false

Both A and B are false

A is false, B is true

answer is A.

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Detailed Solution

The interaction where one species is benefitted and the other is neither benefitted nor harmed is called commensalism.
In amensalism on the other hand one species is harmed whereas the other is unaffected.

Interaction	Species A	Species B
Commensalism	+	0
Amensalism	-	0

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