So i failed my science test and got a 43% on it. what do you think i can do next time to pass the tesr

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

The study of interaction between living organisms and their enviroment is called (a) phytogeography (b) ecology (c) phytosociology (d) ecosystem

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis