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Is there a relationship between the size...

Is there a relationship between the size of an organism and its life span ? Give two examples in support of your answer.

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Life spans of organisms are not necessarily correlated with their sizes. The sizes of crows and parrots are not very different yet their life spans show a wide difference. Life span of crow is 15 year and of parrot is 140 years. A mango tree has a much shorter life span (200 years) as compared to peepal tree (2500 years).
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