Transitional forms are seen in the fossil record that links all of these groups EXCEPT
A) birds and reptiles.
B) reptiles and amphibians.
C) fish and amphibians.
D) mammals and birds.
E) mammals and reptiles.

Question

Quizplus · Accepted Answer

Transitional forms have been found linking birds and reptiles, reptiles and amphibians, fish and amphibians, and mammals and reptiles. However, there are no known transitional forms that directly link mammals and birds. The two groups evolved separately from different reptilian ancestors.

Transitional Forms Are Seen in the Fossil Record That Links