Explain coeloms.
Explain blastopore?
Explain gastrulation?
What are extra embryonic membranes? Name these layers in vertebrates?
From which germ layer does coeloms originate?
Which cells are produced in the first stage of embryonic development?
What is placenta?
What stage follows gastrulation?
What is yolk sac?
When are archenteron and blastopore formed?
Classify the animals based on the germ layers in their embryonic development?
Explain organogenesis?
Which hormones are produced by placenta? What is their significance?
What are the functions of placenta?
Explain notochord?