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8.5 Science Vocab.

Tropism a plants growth that's response toward or away form a stimulus
Hormone produced by a plant is a chemical that affects how the plant grows and develops
Auxin speeds up the rate at which the plant's cells grow
Photoperiodism a plants response to
Short-Day Plant
Long-Day Plant
Critical Night Length
Day-Neutral Plants
Annuals flowering plants that complete a life cycle in one growing season
Biennials angiosperms that complete their life cycle in two years
Perennials flowering plants that live for more than two years
Created by: s730652