Throughout the experiment, fresh quadrant streaks were made to ensure fresh bacteria for testing. ... First, a drop of DI water was placed on a slide. ... The loop was gently swirled in the drop of water, allowing some of the bacteria on the loop to become suspended in the droplet. ... After one minute the Gram's iodine was gently rinsed off with DI water and 95% EtOH was used to decolorize the bacteria. ... The slide was then gently rinsed with DI water. ...
Roots: Roots serve a variety of functions, among them storage, collection of water and nutrients, and support. ... Animals cannot survive in places where water is unavailable or permanently frozen, or where temperatures regularly exceed 55 C (130 F). ... Water Habitats: It has been said that life began from water. Water habitats mainly in the seas and oceans rarely go through quick changes in conditions, which is a major advantage for living things. ... Desert animals cope with heat and water shortage by remaining below ground by day. ...