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book Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels cover

Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels

Edition 2ISBN: 978-0077295349
book Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels cover

Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels

Edition 2ISBN: 978-0077295349
Exercise 95
Tunicates and lancelets did not leave fossil evidence because their bodies lack hard parts. The hair and mammary glands that distinguish mammals are not hard either, yet mammals have a rich fossil record. Explain this difference.
Explanation
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Mammals possess hard parts suc...

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Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels
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