noun
- the growth or movement of a plant or organism in response to the presence of water or moisture
Usage: biology; botany
Examples
- Plant roots exhibit hydrotropism, growing toward areas of higher soil moisture.
- The seedling's hydrotropism directed its roots downward where water was more abundant.
- Scientists study hydrotropism to understand how plants locate and respond to water sources.
- Hydrotropism is distinct from gravitropism, which is the plant's response to gravity.
- The roots' hydrotropism ensures the plant can access water even in dry conditions.