Answer quickly

Natural selection operates on populations over many generations. Which of the following allows natural selection to occur?

A.
the old age of the individuals which causes them to die
B.
the desire and the advantage of a population to remain constant
C.
the unequal ability of individuals to survive and reproduce
D.
the abilty for populations to change quickly from one trait to the next

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. agouti x albino a) 1/2 albino, 1/2 agouti b) all agouti c) 3/4 agouti, 1/4 albino

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.