Saturday, June 24, 2017

2.80: Understand that Plants Respond to Stimuli

PLANTS AND STIMULI:

  • Plants are Able to Respond to Changes in Environment (Stimuli) for Survival, E.g Abiotic Factors Such as Light, Water and and Biotic Factors such as Predators
  • They will Respond to Stimuli by Producing a Growth Hormone called Auxin which Controls the Direction of Growth of Roots or Stems


TYPES OF STIMULI:

STIMULI
NAME OF RESPONSE
GRAVITY
Geotropism
LIGHT
Phototropism
WATER
Hydrotropism

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