Answer:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Explanation:
Answer:
B I think
Explanation:
there are 2 directions and in each direction there are 2 working in it
Answer:
c) Having a small population size
Explanation:
Endangered species are generally those whose population is declining or in a very limited range. Some of other characteristics of endangered species may also be habitat loss, indiscriminate hunting by man or predators, and disease.