Phytoplankton populations are most abundant in the

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings