Following gastrulation, the next major development in the embryo is neurulation, which occurs during weeks three and four after fertilization. This is a process in which the embryo develops structures that will eventually become the nervous system
Answer:Ais the answer
Explanation:
I passed biology last year and that’s something I remember
Mercury, due to it's low gravity it would not be able to hold a very strong atmosphere.
<em>when two reproductive cells join together they simply cross over their chromatids exchanging characteristics so new individual has the characters of both mother and father...</em>
