Phosphate groups are polar and allow the cell to exist in water.
4. Gene Pool is not a mechanism, thus your answer!
Physcial weathering <span>is the process that breaks rocks apart. So, I suppose when an earthworms digs and tunnels their way through the soil? They move the broken peices of rock causing it to break into smaller peices.</span>
Answer:
Bacteria is the only prokaryotes.
Some cynobacteria are also included in prokaryotes.
