In fact, flowers help the environment around us in many ways. ... So, in providing the seeds that make it possible to grow more plants, flowers benefit the environment by creating more carbon dioxide absorbing and oxygen-radiating plants. Flowers also play a vital role in cleaning up other parts of our world.
the process of DNA replication occurs just before the cell division i.e. mitosis. DNA synthesis happens in S-phase i.e. synthesis phase of interphase where cell division preparation happens.