Answer:
A mutation is a change in genetic material.
Explanation:
A mutation is a change that occurs in our DNA sequence. Mutations can affect our fitness positively, neutrally , or negatively.
C because a lesion is high density
It contracts on its own without input. The answer is C.
Hope that helped you.
Answer:
a. Blood vessels are constricting causing greater peripheral resistance.
Explanation:
Peripheral vascular resistance means the resistance in the circulatory system that is used to control blood pressure and the flow of blood. When blood vessels constrict, there would be an increase in systemic vascular resistance. When blood vessels dilate, there would be a decrease in systemic vascular resistance.