Biologists have developed a specific system for classifying all living organisms which is based on dividing all known organisms into groups according to common features which scientists believe are biologically significa... More »

When scientists classify organisms, they are grouping organisms together so they can have a way to study them in a more efficient manner. Since there are millions of organisms on the Earth, it’s much easier to group them... More »

When scientists classify organisms, they are grouping organisms together so they can have a way to study them in a more efficient manner. Since there are millions of organisms on the Earth, it’s much easier to group them... More »

Scientists organize living organisms into groups because it is easier to study organisms that have certain shared features. The act of organizing different types of living things into groups is called classification, and... More »

Microscopes help scientists see tiny organisms and understand the fine details of cells, fibers, nuclei and other structures invisible to the naked eye, which in turn influences education and research, helping scientists... More »

Phyla occur in the Protist, Moneran and animal kingdoms; these groups contain organisms like protozoa, bacteria, chordates and annelids. The animal kingdom has the largest number of phyla, followed by the Protist and Mon... More »

Unicellular organisms fall under the main groups of bacteria, archaea, protozoa, single-celled algae and single-celled fungi. . The two general categories are prokaryotes, which lack membrane-bound nuclei and membrane-bo... More »