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book Integrated Principles of Zoology 16th Edition by Cleveland Hickman,Susan Keen,Allan Larson,David Eisenhour,Helen I'Anson, Larry Roberts cover

Integrated Principles of Zoology 16th Edition by Cleveland Hickman,Susan Keen,Allan Larson,David Eisenhour,Helen I'Anson, Larry Roberts

Edition 16ISBN: 978-0073524214
book Integrated Principles of Zoology 16th Edition by Cleveland Hickman,Susan Keen,Allan Larson,David Eisenhour,Helen I'Anson, Larry Roberts cover

Integrated Principles of Zoology 16th Edition by Cleveland Hickman,Susan Keen,Allan Larson,David Eisenhour,Helen I'Anson, Larry Roberts

Edition 16ISBN: 978-0073524214
Exercise 13
Describe a reason for the hypothesis that the ancestor of eleutherozoan groups was a radial, sessile organism.
Explanation
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The ancestor of eleutherozoans was a rad...

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Integrated Principles of Zoology 16th Edition by Cleveland Hickman,Susan Keen,Allan Larson,David Eisenhour,Helen I'Anson, Larry Roberts
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