The movement of water across a semipermeable membrane, such as a cell membrane, is called ________.

Semipermeable Membrane

A type of barrier that allows certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion."

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms.