Answer:
The presence of ozone enabled organisms to develop and live on the land. Ozone played a significant role in the evolution of life on Earth, and allows life as we presently know it to exist. These atoms combined with remaining oxygen (O2) to form ozone (O3) molecules, which are very effective at absorbing UV rays which could be injurious to organism existence
Explanation:
I believe the answer is C. Nucleus, Cell Wall, Cell Membrane
Might be Cell Differentiation...
The answer is B and D i learned this in biology last week
