It's hypothesized that cells formed spontaneously in the primordial soup, but without further changes could not : a. form lysosomes. b. infold an organelle. c. absorb anything by infolding. d. pass on their traits.

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.

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids