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

User BertC
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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.
User Kent Weigel
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