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Biology 9 Online
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)

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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