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heliotropism

heliotropism Heliotropism is a simple responsive movement in which a cell or organism moves in relation to light.

Heliotropism is a simple responsive movement in which a cell or organism moves in relation to light. In this historical source, it is treated as the same as phototaxis, one of several basic stimulus-guided reactions seen in living matter.

Also see

Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Living Matter” (Living Matter).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “heliotropism.” Development preview.

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