Which protozoan is a diver likely to encounter in large numbers at a coral reef?

A. ciliates
B. foraminiferans
C. dinoflagellates
D. coccolithophores

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

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 is the next step in muscle contraction after the actin changes shape? (apex)