(i) The living organisms vary in size from a micrometers (e.g., microscopic bacteria) to more than 30 metress long (i.e., blue whale) and more than 100 meteres tall (e.g., red wood trees of California).
(ii) The living organism vary in longevity from a few days (like mosquitoes) to sevral thasound years (pine tress)
(iii) The living organism vary in longevity from a very colourless or transparent ton brightly coloured birds and flowers.
