What is the main function of placenta?

1

What stage follows gastrulation?

1

What are other organs and tissues made from that germ layer?

1

Explain the embryonic development stages after formation of blastula?

1

From which germ layer do blood cells originate? What are other organs and tissues made from that germ layer?

1

How is the neural tube formed?

1

What is coelom?

1

What is the function of the umbilical cord?

5

Why can the amnion also be considered an adaptation to terrestrial life?

5

How yolk sac is formed?

1

Explain foetal pole?

1

What is coelom? Are all animals coelomate?

1

Explain coeloms. From which germ layer does it originate?

1

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?

1

From which germ layer do blood cells originate?

1