BorisDohring710 BorisDohring710

12-03-2014
Biology

Answered

The nine different classes of vertebrates include
a. four ﬁsh classes and amphibians, reptiles, birds, whales and mammals.
b. four ﬁsh classes and amphibians, reptiles, birds, mammals and primates.
c. ﬁve ﬁsh classes and amphibians, reptiles, birds, and mammals.
d. ﬁve ﬁsh classes and amphibians, reptiles, monkeys, and mammals.

Answer :

kanoisha kanoisha

12-03-2014

The correct answer is C= I think so

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