Facilitated diffusion of substances crossing the cell (plasma) membrane takes place with the help of proteins such as channel proteins and carrier proteins.
Bears, which overturn rocks to find the insects, consuming
as many as.
Answer:These organs expel water from the body, helping to maintain osmotic balance.
Explanation:
Answer:
C
Explanation:
If the frog has no predators, then it has nothing to keep it from breeding and thriving and so will multiply.