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Discuus one example , based on your day-...

Discuus one example , based on your day-to-day observation , showing how loss of one species may lead to extinction of another .

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In case a specis (x) becomes extinct , the plant and animals species (M,N,O,Z) associated within an obligatory way also becomes extinct . For example .
(i) When a fish species which is a host for a number of parasites becomes extinct the parasite species which are uniquely dependent on the host fish will also becomes extinct .
(ii) The insects may be polyphagous (feed on more than on plant species) or monophagous (feed on only on particule plants species ) in nature . The monophogous insect are valuable and may becomes extinct if the plant species) in nature . the monophogous insect species are valuble and may become extinct if the plant species upon which it feeds becomes extinct.
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