Osmosis
The movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Photosynthesis
The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, primarily glucose.
Mitosis
A type of cell division where a single cell divides to produce two identical daughter cells, maintaining the same chromosome number.
Ecology
The branch of biology that deals with the relationships of organisms to one another and to their physical surroundings.
Homeostasis
The ability of an organism to maintain stable internal conditions despite changes in external environments.