What is the expected result of a nation whose population is outstripping its resources and ability to feed its people, if its people cannot migrate peaceably?

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 did hunter gathers do to alter the environment?

Match the description of each organism to the appropriate category