And dont guess you worth 6 points

which of the following will not happen when people release large amounts of sewage into bodies of water?
a. protists may break down the sewage.
b. an algal bloom may occur.
c. the sewage will provide shelter for phytoplankton.
d. a buildup of toxins produced by protists may poison fish.

Which of the following is an example of an environmental change the affected the evolution of life a. volcanic activity b. changes in climate c. mountain building d. all of the above

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.

Nerve cells are specialized to respond to stimulitrue or false?