The contamination cleanup strategy called bioremediation—using naturally occurring or genetically modified microbes to clean up our messes—is gaining steam, as scientists devise new ways to use bugs against mercury, oil spills, radioactive waste and more.
<span>The group includes their common ancestor but also the seeded descendants of that same ancestor.</span>
Well yes, but a dichotomous key can be used to classify just about anything you want.
Hope that helped
The previous statement is true because if a substance cannot get into a cell membrane it is assisted via protein channels however if it doesn't need the protein channels then it just flows through the membrane.
