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The Living World 8th Edition by George Johnson
النسخة 8الرقم المعياري الدولي: 978-0078024214The Living World 8th Edition by George Johnson
النسخة 8الرقم المعياري الدولي: 978-0078024214 تمرين 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.
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.
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Radial symmetry offers advantages like, ...
The Living World 8th Edition by George Johnson
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