57. Darwin and Darwin discovered that the coleoptile bends towards the light only when а. The seedling is growing in blue light. b. measures 5 cm long С. The nights are cooler d. The tip of the coleoptile is intact and exposed to light.

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Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.