Detritivores and saprotrophs are both involved in decomposing the dead biological matter yet there are interesting but slight differences between their methods. Detritivores. Detritivores are a type of heterotrophs that feed on the dead or organic biomass including animals, plants, and faeces. Detritivores are essentially able to digest lumps of biomass separately; hence, most of the unicellular organisms (bacteria and protozoa) and fungi may not fall into the category of detritivores.
The majority of Earth's population and its largest cities are in the Northern Hemisphere, although there are large cities such as Lima, Peru, Cape Town, South Africa, Santiago, Chile, and Auckland, New Zealand.
The United States is the fourth biggest country in the world by land area. 1  Only Russia, Canada and China are bigger. The U.S's geography varies a lot and includes: 2  forests and grass fields on the east coast. 3  the Appalachian Mountains in the east. 4  the Great Plains in the middle of the country.