A plant’s primary means of response is to change how it is growing. Plants don’t have a nervous system to control their responses. Instead, their responses are generally controlled by hormones, which are chemical messenger molecules.
CK-12 (High School)
How can plants respond to changes in their environments?
RST.1 - Analysis & Evidence, RST.2 - Main Ideas
DEPTH OF KNOWLEDGE (DOK) LEVELS:
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