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Tropisms Vocab

TermDefinition
Chemotropism (aka chemotaxis) The tendency of an organism or a part of an organism to grow toward or away from a chemical stimulus.
Feedback Loop The return of information about a system or process that may effect a change in the system or process; the information that is returned.
Geotropism/Gravitropism the growth of an organism with respect to the force of gravity. The upward growth of plant shoots is an instance of negative geotropism ; the downward growth of roots is positive geotropism .
Phototropism (aka phototaxis) a plant growth movement that occurs in response to the direction of a source of light.
Physiology a branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells)
Response An action or change in behavior that occurs in reaction to a stimulus.
Sense Organ An organ that receives stimuli and gives rise to the senses such as sight, smell, hearing, and pain.
Stimulus Anything that causes a reaction or change in an organism or any part of an organism.
Thigmotropism a plant's response to touch.
Created by: Christensent