Blood vessels, which lead to the skin capillaries, become narrower they constrict which allows less blood to flow through the skin and conserve the core body temperature. This is called vasoconstriction.
Answer:
1) Gene expression can be modified by Interactions with the environment
Explanation:
Environment factors such as temperature change for instance affects the expression of the genes for a particular trait and these genes can be modified too.
Answer:
A compounds
Explanation:
when carbon bonds with other elements it's termed compound.
The beginning of the Cambrian Period is marked by the evolution of hard body parts such as calcium carbonate shells. ... These body parts fossilize more easily than soft tissues, and thus the fossil record becomes much more complete after their appearance.
Answer:
Explanation:
some species are marine, others are terrestrial. Some species are parasitic; i.e., they obtain nourishment from the body of another living animal.
