Answer:
Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing.
Explanation:
Epithelial layers contain no blood vessels, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.
The answer is Vernix caseosa. It is a waxy cheeselike, whitish substance that coats the skin of a newborn baby. It is being produce by dedicated cells and has protective roles in the development of the fetus and the hours after birth. Hope this is the answer.
Answer: B
Explanation:
When immigration into an area is higher than emigration out and with other factors kept constant, you will have a situation where population will increase.
This is the case in the point of the graph labelled B. We can see a rise in population so immigration must be more than emigration. In the other points, the population is reducing which means that more orca whales are leaving than coming in.