Individual ecosystems grouped together by climate and vegetation represent a(n) . a. ecosystem
b. species
c. population
d. biome

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)

What noticeable trend from this graph might be used to make a conclusion?