<span>in order to observe their cell characteristics they need to be stained
this method consists of preparing a smear that is air dried and heat fixed and adding a stain to the bacteria on the slide.
bacteria are very small n transparent when observed with a wet mount preparation.
bacteria are usually negatively charged anionic
the simple dyes used to stain bacteria have a positive charge cationic
they are attracted to each other
thee dye molecules r also stringky colored so that our eyes can see the stained bacteria</span>
"Snowy" or better yet Arctic animals survive better in colder climates, So if their home gets warmer they will move towards colder weather. But if you want another example they will also leave if there is little to no food.