Answer:
commensalism
Explanation:
one animal benefits while the other is not harmed or affected in any way
Answer:the last one
Explanation: red blood cells are round in order to move easily through blood vessels.
This is ataxia caused by a dysfunction of the cerebellum - a region of the brain involved in the assimilation of sensory perception, coordination, and motor control. Cerebellar ataxia can cause neurological problems such as: ... lack of coordination between organs, muscles, limbs, or joints.