Events occur during megasporogenesis

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.

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Contrast how pollination is different among gymnosperms and angiosperms.