Garstang's Hypothesis of Vertebrate Evolution is The

Question

Garstang's hypothesis of vertebrate evolution is the
A)annelid-vertebrate hypothesis.
B)echinoderm-vertebrate hypothesis.
C)amphioxus-vertebrate hypothesis.
D)tunicate larva-vertebrate hypothesis.

Accepted Answer

Garstang suggested that the larval form of tunicates (sea squirts) was the ancestor of vertebrates. This is known as the tunicate larva-vertebrate hypothesis.