The cladogram above demonstrates the relationship between different organisms. which of the following is true?
a all birds and sharks have eggs with shells.
b only primates have hair.
c sharks do not have a vertebrae.
d amphibians do not have an amniotic egg.

D) Amphibians do not have an amniotic egg.

Explanation:

Amphibians can live in water and on the land but have to lay their eggs in water due to the fact that they do not have amniotic eggs.

What characterizes amniotic eggs is that they have amnion, a membrane that contains a fluid that keeps the embryo moist and prevents it from drying till it dies. In amphibians water is the one that moist the egg till the embryo is ready to come out.

well the answer is 2!