The endosymbiotic theory
1.suggests that all cells depend on one another
2.suggests that a prokaryote ate another prokaryote to produce eukaryotes
3.was supported by carl woese
4.was supported by similarities between prokaryote and eukaryote nuclei

the answer is c) an oak tree

plants absorb water from the soil by osmosis. root hair cells are adapted for this by having a large surface area to speed up osmosis. the absorbed water is transported through the roots to the rest of the plant where it is used for different purposes: it transports dissolved minerals around the plant.