TyWarren1943 TyWarren1943

16-10-2017
Biology

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Sharks and their relatives are the first group of animals with jaws.why are jaws a significant evoluntionary development

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Kalahira Kalahira

25-10-2017

The development was significant because the animals were no longer forced into one type of food supply. The ability to tear, chew and crush allowed them to gain access to a variety of new food resources.

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