Answer;
The amnion
Explanation;
-The amnion is a tough, thin membrane that surrounds a developing fetus in mammals, reptiles, and birds. It is the first of the three cavities (amnion, chorion and yolk sac) in the embryo and is formed on 8 dpc.
-In the human body, the amnion is the first of three cavities, including the chorion and yolk sac, that work together to keep the developing fetus nourished and protected.
-The amnion provides a protective environment in which the fetus' temperature is regulated and protects the fetus from friction caused by the mother's movements.
Answer:
C
Explanation:
Two amoebeas because when a amoebea splits it has the same information copy as its parents
This process is called “crossing over.”
It will increase genetic diversity in gametes, so option A would be correct I believe !
Insulin is the correct answer.
Hope ti helped!
decomposition of what was alive then the remains are buried by sediments which results in fossilization