noun
- Plural of phototaxis; the directed movement of an organism in response to light.
Usage: biology; technical
Examples
- The phototaxies of different insect species vary greatly depending on their ecological niche.
- Researchers studied the phototaxies of algae to understand their light-seeking behavior.
- Negative phototaxies cause some organisms to move away from light sources.
- The phototaxies observed in these microorganisms suggest an evolutionary adaptation to their environment.