fertilization comes first
it is followed by cleavage which is the rapid cellular division which forms the blastula
then comes gastrulation where the 3 germ layers are formed.
followed by organogenesis which consists first forms the organs and then comes the specialization
Therefore your answer would be B
Answer:
D................... or B sorry
It is called a cell membrane potential
Answer:
Explanation:
Tunica media; contains connective tissue that provides structural support