Answer:
I am 95% sure its b, if not then it is c
Answer:
the answer is all of the above
form cell membrane
Explanation:
It provides barriers in cellular membranes to protect the cell , and they make barriers for the organelles with in those cells. It work to provide pathways for various substance across membranes
Answer: The size.
Explanation: On the one hand the Emperor Penguin is bigger reaching up to 48 Inches (120cm) of height and 100 Lb in weight, on the other hand the Galápagos Penguin is much smaller. For example a large adult usually goes up to 21 Inches (53cm) and 5 Lb of weight.
This is directly related to the temperature of the environment in which each one develops, because a body exchanges heat in two dimensions through the surface. So, it's easier for a big creature to maintain core temperature stable.
This is really important in environments like the Arctic where temperature goes below zero and the opposite happen in the Equator where there is a tropical weather all the time.
