Answer:
Natural Selection
Explanation:
In natural selection process of evolution, traits that are essential for an individual to be fit enough to survive under environmental stress become dominant.
Since the flowers are of blue or yellow color, it is essential for a bee to be able enough to perceive the blue and yellow color. Hence, the eyes of bee with time have evolved to perceive these two color so that they can pollinate flower.
Answer that does not describe the structure of an atom: The electron clod is a small and compacted space around the nucleus.
Bye and thx ;)
There are no answer choices, but I know the mitochondria create energy for the cell.
Stage 3 because the person fev1 level is go down not up
