Which statement is true about DNA and evolution? ---
a.) Two species that have the same DNA provide evidence that evolution has taken place.

b.) Each living species has DNA made from different components, showing that organisms have evolved.

c.) Two species with very similar DNA likely evolved from a common ancestor.

d.) DNA from related species is identical, providing evidence that all organisms have evolved in the same way

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

What maintain homeostasis when a persons internal body temperature is 97.5°f

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4