The type of stimulus that can encourage pole beans to grow around and up is touch. This is because pole beans exhibit positive thigmotropism, which means they respond to touch by wrapping around supports as they grow.
Pole beans need something to grow around and up. Which kind of stimuli can encourage this type of growth?(1 point)
Responses
gravity
gravity
touch
touch
light
light
or
water
1 answer
1 answer