the complement system is a group of proteins in the blood that attack pathogens that enter the body and kill them.
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:
This is what the cell membrane does so if any of these are an answer choice then use process of elimination to figure out which one is correct
Birds need feathers or wings because a bird without wings they may get in danger and will not be able to eat do you know an opposum it can eat a bird or eagle
An area of land or water set aside for the protection of an ecosystem is preserve
The situation in which allele frequencies in the gene pool of a population remain constant is called. genetic equilibrium. The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called.
