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book The Living World 8th Edition by George Johnson cover

The Living World 8th Edition by George Johnson

Edition 8ISBN: 978-0078024214
book The Living World 8th Edition by George Johnson cover

The Living World 8th Edition by George Johnson

Edition 8ISBN: 978-0078024214
Exercise 10
Echinoderms begin life as free-swimming larvae with bilateral symmetry and then become adults with radial symmetry. Some biologists explain this change in symmetry as an adaptation for
A) an animal traveling through the environment, rather than one having a sessile lifestyle.
B) an animal with a sessile lifestyle, rather than one that moves through the environment.
C) a predator, rather than a filter-feeder.
D) an animal living in a marine environment, rather than a freshwater environment.
Explanation
Verified
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Radial symmetry offers advantages like, ...

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The Living World 8th Edition by George Johnson
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