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tropism
plant hormones study pack
6 cards·by abebetamerat88@gmail.com
revise the key terms
tropism
a plant growth response to stimulus
postive tropism
the plant grows towards the stimulus
negative tropism
the plant response away from the stimulus
photo tropism
the plant response to sunlight
geo/gravi tropism
the plant response towards gravity
auxins
plant hormones made in the tips of growing shoots that can control the plant elongation