phototropism Definition
the orientation or movement of an organism or cell in response to light, either toward the source of light (positive phototropism) or away from it (negative phototropism).
Using phototropism: Examples
Take a moment to familiarize yourself with how "phototropism" can be used in various situations through the following examples!
Example
The plant's phototropism caused it to grow towards the window.
Example
The bacteria exhibited negative phototropism by moving away from the light source.
Summary: phototropism in Brief
The term 'phototropism' [foh-tuh-troh-piz-uhm] refers to the movement or orientation of an organism or cell in response to light. It can be positive, where the organism moves towards the light source, or negative, where it moves away from it. Examples include plants growing towards a window and bacteria moving away from a light source.