As adjectives the difference between phototropic and hydrotropic
is that phototropic is having a tendency to move in response to light an animal or microbe that is positively phototropic will move toward light one that is negatively phototropic will move away from light while hydrotropic is (label) exhibiting hydrotropism.
phototropic
English
Adjective
(
en adjective)
Having a tendency to move in response to light. An animal or microbe that is positively phototropic will move toward light. One that is negatively phototropic will move away from light.
Related terms
* phototropism
See also
* phototaxic
hydrotropic
English
Adjective
(-)
(label) exhibiting hydrotropism