What is suggested by the similarity of early embryos of different species of vertebrates?

no evolutionary relationships between the groups
recent common ancestry
similar environments in the past
evolution from a distant common ancestor

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.

Lactic acid and energy are produced in muscle cells during choose 1 aerobic respiration cellular respiration anaerobic respiration cellular division

The cluster of developing cells from conception until birth is called an