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What is the germ layer from which the coeloms originate?
What are the destinations of the archenteron and of the blastopore?
Explain coeloms. From which germ layer does it originate?
What are extra embryonic membranes? Name these layers in vertebrates?
What are somites?
What are the main substances transferred from the mother to the fetus through the placenta and from the fetus to the mother?
How during gastrulation are the first two germ layers formed? Which are these germ layers?
To which structures do coeloms give birth? Are all animals coelomate?
What is umbilical cord? And what are its functions?
How is the yolk sac formed?
What is the cell division during the first stage of the embryonic development called?
What are the three types of germ layers that form tissues and organs in animals?
What is the chorioallantois membrane present in the embryonic development of reptiles and birds?
Explain gastrulation?
Which is the extra embryonic membrane whose function is to store nitrogen wastes of the embryo?
