Answer: B. Osmosis Across a Membrane
The movement of water across a gradient is called osmosis.
Because it was not tested multiple times by other scientists
Phagocytes refer to the procedure by which some kind of living cells known as phagocytes engulfs or ingest other cells or particles. The phagocyte may be a free-living one-celled species, like an amoeba, or one of the body cells, like a white blood cell.
In higher species, phagocytosis is mainly a defensive mechanism against infection and invasion of the body by the antigens, that is, foreign particles.
Thus, phagocytosis is illustrated by most types of white blood cells ingesting bacteria, viruses, and other foreign substances.
Probably C. For example, you can tell how many amount of organism are in an ecosystem if you just check like a lot of animals live in hot climates while not many animals live in cold types of climates. I’m probably not making sense but I would put C.
Evaporation
distillation
filtration
paper chromatography
