Darwin proposed a new theory of how evolution works, which he called

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 are the formed elements (cell or parts of cell) in blood and what are their functions ?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.