Which organelle modifies cell products, packages them for distribution, and then may turn into vesicles and bubble off the surface of the cell

What are chlorofluorocarbons made of

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.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi