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response to stimuli - Coggle Diagram
response to stimuli
taxes
mobile organisms
directional stimuli
directional rensonse
tropism
plants
positive or negative
roots
positive gravitropism
positive chemotropism
negative phototropism
shoots
negative gravitropism
positive phototropism
auxins
IAA
produced by shoot tip
even production and then diffuses to shaded side
causes H ion release so cell elongation
kinesis
changes in speed and rate of turning
favourable conditions = slower movement and more turning