Some samples are transparent, or very difficult to see, therefore, they are stained in order to be seen more clearly and easier to work with.
During eye surgery, the clear layer of the eye is stained to be easily extracted, if it was clear then the surgeon might cut the eye instead of just the layer.
Hope this helps, u might want to search online for more info.
C. The cell took in another ancient prokaryotic cell, which began living inside it.
Budding is the predominant mode of asexual reproduction in sponge. Budding is a asexual reproduction in which a new organism develop from outgrowth or from bud due to cell division at one particular site. A small rounded outgrowth on asexually reproducing organism is cabable of developing into new individual
