It is because of the different neurotransmitters and their receptors.
Sympathetic stimulation of arterioles in skeletal muscle is mediated by epinephrine acting on its β-adrenergic receptors.
Sympathetic stimulation of vasoconstriction occurs as a result of activation of α-1 adrenergic receptors by norepinephrine released by post-ganglionic sympathetic neurons.
Answer:
True
Explanation:
To be favored in the wild is to be able to survive and reproduce therefore to be able to maintain a mate favors you.
Genetic variation occurs.
Mutations are not copied over and over again.
