In the first phase of gastrulation of amphibians there occurs the separation of
Ectoderm
Mesoderm
Endoderm
Mesoectoderm
Holoblastic cleavage may occur in eggs which are
From the egg in gastrula stage if you remove all cells which form endoderm, the new organism will lack of
Placenta is formed from
Cumulus covers
There is a connective tissue cord extending between the testis and abdominal wall called