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OpenStudy (anonymous):
12. One of the differences between Cambrian animals and pre-Cambrian animals was the appearance of ____________, such as antennae, as Cambrian animals evolved. (2 points)
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OpenStudy (anonymous):
Is it a multiple choice question?
OpenStudy (anonymous):
nope @SummerNS
OpenStudy (anonymous):
Hm ok. Well I'd probably go with specialized limbs.
OpenStudy (anonymous):
That's what an antennae is so..
OpenStudy (anonymous):
ok thanks
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