Plants reflect the colors of light that they do not absorb. this reflected light determines their color. why are there few blue-colored plants?

Because they produce a different chemical when they absorb the light from the sun

Eukaryotic cells are theorized to have evolved from prokaryotes called the endosymbiotic theory. this explains that the most primitive eukaryotic cell engulfed a prokaryotic cell (by the process of phagocytosis) that is capable of cellular respiration and another prokaryotic cell that is capable of photosynthesis. these prokaryotic cells eventually became organelles and these organelles are the mitochondria and the chloroplast