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Whale ancestors probably never had teeth and baleen at the same time, and only developed baleen after trying toothlessness and sucking in prey.
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By Scientific American4.2
599599 ratings
Whale ancestors probably never had teeth and baleen at the same time, and only developed baleen after trying toothlessness and sucking in prey.
Learn more about your ad choices. Visit megaphone.fm/adchoices

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