What structure is the site of photosynthesis in angiosperms? How can a plant control the amount of carbon dioxide it takes in and the amount of water it loses?

(citations pls)

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.

What kinds of molecules can pass through the cell membrane without any problem?

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?