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
Answer:
the output of a system come s back to influence the subsequent functioning of that system.
<span>A law is a theory that has explained a number of observed phenomena, and it has predicted a number of other phenomena which may as yet be unobserved.
In that sense, a law is a theory that has not yet been proven wrong or given rise to any contradictions.
A theory is just a theory until it has been proven true by experiments and observation</span>
