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Question
Pole beans need something to grow around and up. Which kind of stimuli can encourage this type of growth?(1 point)
Responses

touch
touch

gravity
gravity

light
light

water
water
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1 answer

Pole beans are typically considered to be positively thigmotropic, meaning they respond to touch by climbing or wrapping around a support. Therefore, the kind of stimuli that can encourage pole beans to grow around and up is:

touch