Which shows the order in which vertebrates evolved?
A) fish, reptiles, amphibians, birds, mammals
B) amphibians, fish, reptiles, birds, mammals
C) amphibians, fish, birds, reptiles, mammals
D) fish, amphibians, reptiles, birds, mammals
Answer:
D) fish, amphibians, reptiles, birds, mammals
Which shows the order in which vertebrates evolved?