Diffusion. Passive transport is a way that small molecules or ions move across the cell membrane without input of energy by the cell. ... Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration.
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Examples:
The flowers color is compared.
Radish seedlings are measured in height
This should be an example of genetic drift.
The brown spotted deer would spread their genes more than the white spotted ones which would eventually lead to them completely overpowering genetically the white deer in future generations.
Moraines are made of till. They form when a glacier stays in one place for a long time and deposits a pile of till, then it retreats and leaves a moraine.