They ensured that balance in the ecosystem was maintained. They ensure that the genetic diversity and species is maintained. Sea otters applied natural selection pressures on the sea urchins population hence maintaining their level such that they will not overgraze on the kelps. Overgrazing would severely affect the sea urchin population and consequently severely affect the sea otters population too.
The DNA controls every cell process and the ways in which our cells communicate and work together creating our unique individual design. The same DNA is within every cell in our body.
Help ease people through the withdrawal process.
The number of H+ ions moving down the channel.
So id say the answer is C.
