The phenotype of an organism occurs only in dominant pure organisms.
cannot be seen.
reflects all the traits that are actually expressed.
represents its genetic composition.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

b. read the phase at the intersection of any given temperature and pressure.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.