Question

Plants exhibit different types of responses to events that occur in the environment. It is an example of a nastic response.

a. roots growing downward
b. vine tendrils growing around a fence
c. a Venus Flytrap snapping shut in response to touch
d. a house plant growing toward a window

Answer 1

The best and most correct answer among the choices provided by your question is the third choice or letter C which states that " a Venus Flytrap snapping shut in response to touch." 

Nastic movements are non-directional responses to stimuli (e.g. temperature, humidity, light irradiance), and are usually associated with plants. The movement can be due to changes in turgor or changes in growth (therefore K+ ion concentration usually controls such movement in plants).

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