A directional adjustment of growth in response to environmental stimuli is called ____.

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Tropism refers to the directional adjustment of growth in response to environmental stimuli. Circadian rhythm refers to a biological rhythm that repeats every 24 hours, vernalization refers to the process of plants requiring a prolonged period of cold temperatures in order to flower, photoperiodism refers to the response of plants to changes in the duration of light and darkness. Statoliths are specialized organelles found in plant cells that help with gravity sensing.

A Directional Adjustment of Growth in Response to Environmental Stimuli