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Altruism & Proving The Theory Of Kin Selection

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...it requires is that an animal perform services of little cost to itself but of great benefit to relations. Bees are the ultimate example of altruism because of the extra genetic benefit that their system confers, but kin selection works almost as well in a variety of genetically conventional animals. The male lions that cooperate in taking over another male's pride, for example, are usually brothers, whereas the females in a pride that hunt as a group and share food are a complex collection of sisters, daughters, and aunts. (Eisenr, 1993). Spadefoot Tadpoles: A Case Study Proving Kin Selection A fairly recent experiment involving a cannibalistic creature provided strong experimental proof for kin selection (which notably, is an extension of Darwin's theory of natural selection.) When tadpoles of an animal known as the Spadefoot toad are fed on whole animal prey, they develop into a specialized form that eats members of its own species. But quite notably, they tend to avoid feeding on their close relatives. (Birkhead, 1992). This...

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