Which of the following variations would you expect to see in land vertebrates?
A. Varying numbers of limbs
B. Different types of symmetry
C. Varying shapes of forelimbs
D. Varying numbers of germ layers
Which of the following variations would you expect to see in land vertebrates?
A. Varying numbers of limbs
B. Different types of symmetry
C. Varying shapes of forelimbs
D. Varying numbers of germ layers