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Published 2 years ago by wetwilly87 with 0 Comments
by wetwilly87
2 years ago

What can orcas teach us about the menopause?

The menopause is a puzzle for biologists. Why would the female of a species cease to reproduce half way through her life, when natural selection favours characteristics that help an individual's genes survive? A study of killer whales - one of only two mammals apart from humans to undergo the menopause - is providing clues.

Continue Reading https://www.bbc.com

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