FREEDIVING ACCIDENT STATISTICS. Breath-hold diving â commonly known as freediving- an in-water activity with a mask but without the use of scuba or surface-supply breathing gas, has grown in popularity as an underwater activity with numerous sub-disciplines. While generally safe, the aquatic realm is unforgiving and serious injury or death can occur. Learning from freediving accidents is important to increase diver awareness and promote safety. Methods
Bacteria are not multicellular organisms. They are large group of unicellular microorganisms. One bacterium (the singular form of bacteria) is one small organism, and it is called a prokaryotic cell, or a prokaryote.
More Answers. Bacteria: A bacteria is a single celled organism that is essential for all life. They are either a parasite or live independently. Bacteria have three basic shapes that include spiral, coccus and bacillus. Bacteria multiply themselves by cell division.Antibiotics can usually kill them.rotozoa: A protozoa is a single celled organism which is able to move and will feed on any organic compound of carbon and nitrogen, for example an amoeba. They can be parasites or live independently. They are usually found in water or soil. Protozoa have different shapes and will produce asexually.