Answer:
Oils repel water, so it helps these animals keep their fur dry, which helps them stay warm.
Answer:
the body distributes more blood to the body surface where it can ... Changes in diameter affect peripheral resistance, pressure, and flow, which ... the aorta and carotid arteries: The aortic sinuses are found in the walls of the ... When blood pressure drops too low, the rate of baroreceptor firing decreases.
Explanation:
The answer is, different versions of the same gene are called alleles
B. Catalysts are not changed during a chemical reaction.
Birds and reptiles lay amniotic eggs. They consist of a shell, embryonic membranes, and the embryo.