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8.5

QuestionAnswer
Tropism plant's growth response toward or away from a stimulus
Hormone chemical that effects how the plants grows and develops
Auxin speeds up the rate at which a plant's cells grow
Photoperiodism plant's response to seasonal changes in length of night and day
Short-day plants a plant that flowers when the nights are longer than the plant's critical night length
Long-day plants a plant that flowers when nights are shorter than critical length
Critical night length number of hours of darkness that determines whether or not a plant will flower
Day-neutral plant plant with a flowering cycle is not sensitive to periods of light and dark
Dormacy period when an organism's growth or activity stops
Annual flowering plant that complete a cycle within one growing season
Biennials angiosperms that complete life cycle in two years
Perennials flowering plants that live for more than two years
Created by: evargas1234
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