noun
- The growth or movement of an organism or part of an organism in response to chemical stimuli.
Usage: biology; used in botany and microbiology
Examples
- Chemotropism allows plant roots to grow toward nutrient-rich soil.
- Bacteria exhibit positive chemotropism by moving toward glucose.
- The fungal hyphae showed chemotropism as they grew toward the decaying organic matter.
- Scientists study chemotropism to understand how organisms respond to chemical gradients.
- Negative chemotropism causes some organisms to move away from harmful chemical substances.