C they were white at one point to camouflage with the trees but after and during the industrial revolution soot from factories turned many of the trees black with dust... so eventually they turned black
The movement disorder is the restless legs syndrome. <span>This is a confusion that makes a compelling impulse move one's legs. There is frequently a repulsive inclination in the legs that enhance fairly with moving them. Every so often the arms may likewise be influenced. The emotions, by and large, happen when very still and in this way can make it difficult to rest.</span>
Pillow Talkin by Lil Dicky explains it all
Seed plants are an evolutionary advantage because A) SEEDS ALLOW THE TRANSPORT OF WATER AND NUTRIENTS.
Seeds contain an embryo that allows them to remain dormant until such time that their environmental conditions improve before they can grow and develop into plants.
These seeds help the plants decrease their dependency on water to help in their reproduction.