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(D) When a species becomes extinct,the plant and animal species associated with it in an obligatory way also become extinct. This phenomenon is known

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Co-extinction

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(D) When a species becomes extinct,the plant and animal species associated with it in an obligatory way also become extinct. This phenomenon is known as $Co-extinction$. In the case of a host fish species,if it goes extinct,the parasites that are specifically dependent on that host for their survival will also face extinction. This is a classic example of $Co-extinction$ as a cause of biodiversity loss.

Column-$I$	Column-$II$
$(a)$ Vertebrates	$(p) \; 359$
$(b)$ Plants	$(q) \; 784$
$(c)$ Invertebrates	$(r) \; 87$
	$(s) \; 338$

When a host fish species becomes extinct,its unique assemblage of parasites also meets the same fate. This is an example of:

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Choose the correct pair for the $IUCN$ Red List $(2004)$ documents of species extinction.

Column-$I$ Column-$II$

$(a)$ Vertebrates $(p) \; 359$

$(b)$ Plants $(q) \; 784$

$(c)$ Invertebrates $(r) \; 87$

$(s) \; 338$

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