From which germ layer do blood cells originate? What are other organs and tissues made from that germ layer?
What are the archenteron and the blastopore? What are the destinations of the archenteron and of the blastopore?
What is the germ layer from which the coeloms originate?
Name the three types of germ layers that form tissues and organs in animals?
How is the mesoderm of triploblastic animals formed?
What are histogenesis?
How does the embryo turn from gastrula into neurula?
In which type of animals does the placenta exist?
What is the cell division during the first stage of the embryonic development called?
What are the cells produced in the first stage of the embryonic development called?
What is the difference between amnion and chorion?
Differentiate between amnion and chorion?
What are pleura, pericardium, and peritoneum?