Definition of courier: An individual responsible for the exchange of items between two or more parties. Couriers are usually employed by a company that charges a flat rate to the party using the courier service. Federal Express, UPS, DHL, and the United States Post Office all employ couriers to deliver mail and packages.
At least 3 bacterial morphotypes, as well as fungal mycelia, thelastomatid nematodes, and ingested material are found in the hindgut. At annual molt, the lumen bacteria virtually disappear; presumably they are replaced from anterior gut regions, ingested exuvium, and ingested soil.
bacteria are the most abundant group of organisms within the Kingdom Monera. Bacteria have different types of forms: Cocci: spherical bacteria Bacilli: elongated bacteria Vibrio: comma-shaped bacteria spelling Spirilla-bacteria in the form of spring, or coil.acteria have different types of forms: Cocci: spherical bacteria Bacilli: elongated bacteria Vibrio: comma-shaped bacteria spelling Spirilla-bacteria in the form of spring, or coil.