The answer is (b.) fertilization
The fertilization is the stage where the egg cell or the
so-called ovum fused with the sperm cell which eventually leads the development
of the embryo or the zygote. The Embryogenesis starts when the zygote undergoes
mitotic divisions or also known cleavage process.
why must the bonds of these molecules be broken before anything else happens
Explanation:
yan po
The base sequence in the DNA is A=T
G=C
Your brain stem would be your answer
Answer:
C. pioneer species begin the process of succession
Explanation: