
Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels
Edition 2ISBN: 978-0077295349
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
Mammals possess hard parts suc...
Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels
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