In the experiments of Charles and Francis Darwin, which parts of the seedlings were shown to be sensitive to light?
A) The entire seedling
B) The entire shoot above the roots
C) The entire coleoptile
D) The coleoptile region several millimeters below the tip
E) The top millimeter of the tip of the coleoptile

Question

Quizplus · Accepted Answer

The experiments conducted by Charles and Francis Darwin demonstrated that the top millimeter of the tip of the coleoptile is sensitive to light, leading to phototropism, where plants grow towards the light source.

In the Experiments of Charles and Francis Darwin, Which Parts