When a objects remain in the same place is called

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.

Why do carbohydrate molecules function so well as fuel for the body?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?