Answer:
C.
Similar cells do not cooperate together.
Explanation:
Answer:
immune system
An immune system of a humans body is something that affects the processes of the human body. It is how there is some form of resistance in the human body. When some things get compromised in regard to health, hygiene and activities, that leads to resistance issues in the human body.
Commensalism is the relationship but idk what the blank is.
B. is your correct answer.