Answer:
An arctic fox changes its fur color to blend in with its surroundings
Explanation:
This is a defense mechanism because when it blends into its surroundings it can hide from its predators and help defend itself
Explanation:
A cell's lipid bilayer allows to small uncharged substances such as: ions, hydrophobic molecules, oxygen and carbone dioxide to travel through the membrane by simple diffusion
The term that describes this condition is osteomyelitis.
Osteomyelitis is an infection of the bone, a rare but serious condition. Bones can become infected in a number of ways; Infection in one part of the body may spread through the bloodstream in the bone, or an open fracture or surgery may expose the bone to infection.