What are the archenteron and the blastopore? What is the stage of the embryonic development in which these structures are formed? What are the destinations of the archenteron and of the blastopore?

5

Which cells are produced in the first stage of embryonic development?

1

What is notochord? How is this structure formed?

5

What is the function of the umbilical cord?

5

What are the archenteron and the blastopore? What are the destinations of the archenteron and of the blastopore?

1

What are the four initial stages of the embryonic development?

5

How is the yolk sac formed?

1

Explain coeloms. From which germ layer does it originate?

1

How is the neural tube formed?

1

To which structures do coeloms give birth?

1

What is polyembryony?

5

What are peritoneum?

1

What is coelom? To which structures do coeloms give birth? Are all animals coelomate?

5

What is umbilical cord? And what are its functions?

1

What are the functions of placenta?

1