The language of naming organisms is called the taxonomy. This is sometimes referred to as binomial nomenclature in scientific circles.
One celled organisms are called unicellular organisms.
Organisms that are divided into classes are called classifying organisms or classified organisms.
Organisms that eat other organisms are called consumers or predators.
These organisms would be called mutants.
The process by which modern organisms have descended from ancient organisms is called evolution.
Organisms that hunt and kill other organisms for food are called predators.
Those organisms are called heterotrophic. These organisms either eat the autotrophs (organisms that make their own food) or eat the organisms that eat the autotrophs (also called the producers). Heterotrophs are also called "consumers."
Organisms that secure food by eating other organisms are called consumers. They obtain nutrients by consuming other living organisms.
Parasites.
Why is C called a Middle Level Language?
Normally, the main language is the official language in a country. In countries without an official language, such as the United States, the main language is called the national language.
These are called decomposers