Tropism
Published on Nov 21, 2015
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PRESENTATION OUTLINE
TROPISM WHAT IS IT?
TROPISM IS THE MOVEMENT IN RESPONSE TO SOMEONE OR SOMETHING
Photo by Michael Sarver
POSITIVE AND NEGATIVE TROPISM AND STIMULI AND STIMULUS
- The difference between positive and negative tropism is that Positive tropism is moving towards the tropism while Negative would be moving away from the tropism .
- The difference between stimuli and stimulus is stimuli is plural while stimulus would mean more than one tropism
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Photo by Tom Raftery
GRAVITROPISM
A PLANTS MOVEMENT TO RESPOND TO EITHER TOWARDS(+) OR AWAY (-) FROM GRAVITY
Photo by Thomas Claveirole
CHEMOTROPISM
PLANTS REACTION AND RESPONSE TO CHEMICALS LIKE FERTILIZER (+) OR WEED KILLERS(-)
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THERMOTROPISM
PLANTS RESPONSE TO DIFFERENT TEMPERATURES LIKE CHRISTMAS CACTUS ONLY BLOOMS AT A CERTAIN TEMPERATURE
Photo by kimberly.kalil
THIGMOTROPISM
PLANTS MOVEMENT TO REACTION OF TOUCH ( VENUS FLY TRAPS WOULD BE A POSITIVE TROPISM )
Photo by wynnert
