What type of machine is a CD player? A. complex machine
B. compound machine
C. simple machine
D. mechanical machine

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.

The production of cells during mitosis into specialized function is recombination or differentiation

How does a gymnosperm prevent itself from pollinating the same tree