The tissue in which all cells contact the basement membrane, even though some appear (at first glance) to be stacked on top of others, is called columnar epithelium.

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 organelle other than the nucleus houses dna in a eukaryotic cell?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes