Explain gastrulation? What stage follows gastrulation?
How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?
From which germ layer do the epidermis and the nervous system originate? What are other organs and tissues made from that germ layer?
What is coelom?
How does the embryo turn from gastrula into neurula? How is the neural tube formed?
What are other organs and tissues made from that germ layer?
How is the yolk sac formed?
What is coelom? To which structures do coeloms give birth?
What are the destinations of the archenteron and of the blastopore?
How does the embryo turn from gastrula into neurula?
Genetically what are the two types of twins that can be generated?
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?
What are the archenteron and the blastopore?
To which structures do coeloms give birth?
What is the embryonic origin of the nervous system in vertebrates?
