Help Me Please!!!

Question

For diffusion to occur, which condition must be met?

A concentration gradient must exist.

A hypotonic external environment must exist.

A hypertonic external environment must exist.

Dynamic equilibrium must exist.

Answer 1

Hi Skye,

For diffusion to occur a concentration gradient must exist. This is because diffusion is the movement of a substance dissolved in a fluid from areas of higher concentration to areas of lower concentration.