Related Words

Taxonomic : Dealing with the description, classification and naming of organisms.

Protista: The taxonomic Kingdom from which the other three eukaryotic kingdoms (Fungi, Animalia and Plantae) are thought to have evolved. The earliest eukaryotes were single-celled organisms that woul . . . View Full Definition

Archaea: Proposed, but not widely accepted, sixth taxonomic kingdom that would include the archaebacteria.

Variety: Taxonomic classification below the level of species, which indicates morphological or genetic differences.

Reptiles: Taxonomic class of vertebrates characterized by scales and amniotic eggs; the first truly terrestrial vertebrate group.

Kingdoms: Five broad taxonomic categories (Monera, Protista, Plantae, Fungi, Animalia) into which organisms are grouped, based on common characteristics.

Orders: Taxonomic subcategories of classes.

Subspecies: A taxonomic subdivision of a species; a population of a particular region genetically distinguishable from other such populations and capable of interbreeding with them.

Phylogeny: 1) the study of evolutionary relationships within a monophyletic group. 2) evolutionary hypotheses represented as a dendrogram or branching diagram.

Ray-Finned: Taxonomic group of fish, such as trout, tuna, salmon, and bass, that have thin, bony supports holding the fins away from the body and an internal swim bladder that changes the buoyancy of th . . . View Full Definition