Answer:
Atherosclerosis, sometimes called "hardening of the arteries," occurs when fat (cholesterol) and calcium build up inside the lining of the artery wall, forming a substance called plaque. Over time, the fat and calcium buildup narrows the artery and blocks blood flow through it.
Temperature and oxygen level
S: monotremes................................
The answer is D. Individual birds with the mutation will be more likely to survive than birds without the mutation
