Mammals and birds have evolved from reptiles. In what way does a comparative study of their embryology establish the validity of the statement ?

Answer 1

In your text, under the section "Evidences from embrology", it lists them for you. Modern Biology. Grab your book and read.

Answer 2

@bobpursley....d fact is.... I don't have the book... Dats d reason why m posting this ... wondering if someone could help me with the problem :)

Answer 3

According to reputation theory "ontogeny repeats phylogeny " it means that an individual during it development repeats it's ancestors history