Answer: old age, they need food, more land then you can give them, a bigger herd, and stupid people not knowing how to take care of them.
Explanation:
A. Insects must occasionally shed their exoskeleton to grow a new one
All living cells require chemical energy to directly drive cell processes.
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.
<span>The plasma membrane has a type of protein called intrinsic integrals that are embedded in the thickness of the bilayer and moves laterally in the membrane and act on arriving molecules. Their separation results in the destruction of the membrane structure, this protein is the opposite of the peripheral protein and act as filters and mechanisms of active transport in the nutrients and wastes that are expelled outside the cell.</span>
