A Tunicate Is A(n)

Q14: The _is a stiff, flexible rod that,

Q50: _are mammals that lay eggs.)

Q59: Lampreys have reduced the size of commercial

Q60: In vertebrates, the notochord is replaced by:<br>A)jaws.<br>B)a

Q62: Why don't reptilian embryos dry out in

Q63: The earliest vertebrates lacked:<br>A)a notochord.<br>B)gills.<br>C)jaws.<br>D)brains.<br>E)skeletons.

Q66: In all chordates, the notochord:<br>A)appears only in

Q67: Why are reptiles better adapted to land

Q106: Why are birds classified as reptiles?

Q114: During embryonic development, all chordates have a