a large decrease in resistance is seen in the blood vessels supplying working skeletal muscle during exercise. what is the effect of this?

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

answer; a male inherits only one allele of the x-linked gene controlling hair color;

cell division is not regulated in tumor cells.