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Changes in the heritable attributes of populations of organisms over time. The mechanisms of evolution are mutation, migration, drift, and selection.

-1 votes
1 answer
494 views

What function does a mane serve in animals that possess it?

Horses, Donkeys, Antilopes and Bovines grow masses of hair on top (and sometimes below) the neck. What function does it serve? Is that to hinder predators biting?
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1 vote
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33 views

How are negligibly senescent animals dealing with senescent cell buildup?

Well known animals like the rougheye rockfish, which can be bought from the fish market, appear to be negligily senecent. Senecent cell buildup appears to play a key role in senecence, in mice at leas …
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