Whales' teeth help females choose mate
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- ClareW
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Scientists have discovered that the teeth of male beaked whales are not used for eating, but for scratching each other.
Research and DNA analysis has shown that the two teeth on the outside of the whales' mouthes probably evolved as secondary sexual traits to help females select males of the right species.
Research and DNA analysis has shown that the two teeth on the outside of the whales' mouthes probably evolved as secondary sexual traits to help females select males of the right species.
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