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Les Trois Chenes profile image 91

What determines the life span of animals?


Why do some species live so much longer than others? Parrots live to be over 100 but mice only live 2 years. I feel that the person who can answer this might be on the way to telling us how to live forever!

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nifty@50 profile image76

nifty@50 says

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7 years ago
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kristiene says

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7 years ago
Ben Evans profile image73

Ben Evans says

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7 years ago