asked 46.7k views
5 votes
Internal fertilization, leathery amniotic egg, and skin that resists drying are characteristics of

a. birds.
b. chondrichthyans.
c. nonbird reptiles.
d. amphibians.
e. mammals.

1 Answer

5 votes
I’m not really sure but I think it is mammals
answered
User Miha Markic
by
8.4k points
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