Which statement is correct regarding reptiles, birds, and mammals?

Question:Which statement is correct regarding reptiles, birds, and mammals?

1.Evolved from a common ancestor

2.Embryos are surrounded by a fluid-filled sac called amnion

3.Outer covering is largely watertight.

4.All of the above


Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!