What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?
In which type of animals does the placenta exist?
Explain notochord?
Are the extra embryonic membranes the same in all vertebrates?
Define polyembryony?
What is yolk sac? How is it formed?
Differentiate between amnion and chorion?
How is the neural tube formed?
What are extra embryonic membranes?
What are the archenteron?
What are other organs and tissues made from that germ layer?
What stage follows gastrulation?
How is the yolk sac formed? What is the function of the yolk sac?
What are the extra embryonic membranes present in vertebrates?
What is coelom? Are all animals coelomate?