The gradual abundance of oxygen (by product of photosynthesis) made it possible for aerobic organisms to grow more and evolve.
Hope that helps!
A. Both strands of the DNA molecule act as templates
To find where they came from and what kind of organism it is
Answer:
Osmosis is the diffusion of water molecules across a permeable membrane from an area of higher concentration of water molecules to an area of lower concentration of water molecules concentration until equilibrium is reached