Only eukaryotes have a nucleus...all the other answers are true for both euks and proks...remember that only eukaryotes have internal membranes.
It is important<span> to distinguish between species richness and </span>biodiversity<span>. ... Species richness enhanced by exotics also often means the loss of distinctive ecosystems or small azonal habitat </span>areas<span> such as localised wetlands. This too represents a loss in overall global </span>biodiversity<span>.;0</span>
