C. Channel proteins bind to molecules too large to diffuse into or out of the cell, and allow them to pass.
Answer:
They are not violent killers because they need their host to stay alive for their benefit And if the host dies the parasite wont have a host so they try to keep it alive for as long as possible.
Explanation:
Refers to the environmental capacity , as much of something it can hold
The answer is D, because it is a form of camouflage and an adaptation to the environment for self defense
