Researchers have discovered that all kinds of animals -- from sea slugs and caterpillars to songbirds and people -- undergo constant and remarkable physical changes during their lives.
May 7th, 2000 | 0 comments | 1,568 Views

Researchers have discovered that all kinds of animals -- from sea slugs and caterpillars to songbirds and people -- undergo constant and remarkable physical changes during their lives.
One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.
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