The Most Closely Related Animal to Vertebrates are The

Question

The most closely related animal to vertebrates are the:
A) Hemichordata.
B) Hemichordates.
C) Cephalochordata.
D) Ophiuroidea.
E) Urochordates.

Accepted Answer

Urochordates, also known as tunicates, are considered the closest living relatives to vertebrates due to their shared characteristics during the larval stage, which include a notochord and a dorsal nerve cord.