Weegy: They both have scales and lay eggs. User: What part of the amniotic egg provides food for the embryo?
A. the amniotic membrane
C. the yolk
D. the shell
Weegy: C. the yolk - - -
User: What on a bird, besides it's feet, is chemically similar to scales?
Weegy: A. beak User: Birds have ________ and not teeth.