What is the microscopic anatomical make-up of skeletal
muscles?

A)Narrow spindle-shaped cells with a single, centrally located
nucleus

B)Branched and contain one or more nuclei

C)Dark bands only

D)Alternating light and dark bands

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.