Taxonomy systematics

a group of biological taxa or species that share features inherited from a common ancestor

a taxonomic system of classifying species based on the branching patterns of cladograms that are built to infer phylogenetic relations

a taxonomic system of classifying species based on the branching patterns of cladograms that are built to infer phylogenetic relations

(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

the science of systematic classification

animal or plant group having natural relations

animal or plant group having natural relations

animal or plant group having natural relations

(biology) a taxonomic group containing one or more orders

(biology) taxonomic group containing one or more species

(biology) the major taxonomic group of animals and plants; contains classes

(biology) study of the general principles of scientific classification

the evolution of one type of organism from another by a long series of gradual changes

the evolution of one type of organism from another by a long series of gradual changes

the evolution or genesis of the human race

the evolution or genesis of the human race

use of data (e.g. cytogenetic or biochemical) to assess taxonomic relations especially within an evolutionary framework

use of data (e.g. cytogenetic or biochemical) to assess taxonomic relations especially within an evolutionary framework

the study of wooden plants

the appearance of entirely new properties at certain critical stages in the course of evolution

(biology) a taxonomic group containing one or more genera; "sharks belong to the fish family"

(biology) a group of organisms within a species that differ in trivial ways from similar groups; "a new strain of microorganisms"

the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or An…

evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups

evolution resulting from small specific genetic changes that can lead to a new subspecies

(biology) a taxonomic group with a single member (a single species or genus)

(biology) taxonomic group containing one or more families

(biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species

the evolution of a biological species

(biology) taxonomic group whose members can interbreed

(biology) a group of organisms within a species that differ in trivial ways from similar groups; "a new strain of microorganisms"

(biology) a taxonomic category below a class and above an order

(biology) a taxonomic category below a family

(biology) taxonomic group between a genus and a species

(biology) a taxonomic group comprising a major division of a kingdom

(biology) taxonomic group that is a subdivision of an order

(biology) a taxonomic group ranking between a phylum and a class

(biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species

(biology) a taxonomic class below a phylum and above a class

(biology) a taxonomic group ranking below an order but above a family

(biology) a taxonomic group ranking above an order and below a class or subclass

(biology) a taxonomic group ranking between a phylum and below a class or subclass

(biology) a taxonomic category between a genus and a subfamily

(biology) the taxonomic group whose characteristics are used to define the next higher taxon

(biology) a group of organisms within a species that differ in trivial ways from similar groups; "a new strain of microorganisms"

(biology) a group of organisms within a species that differ in trivial ways from similar groups; "a new strain of microorganisms"

(biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteris…

a collection of things sharing a common attribute; "there are two classes of detergents"

a collection of things sharing a common attribute; "there are two classes of detergents"

a collection of things sharing a common attribute; "there are two classes of detergents"

any genus of amphibians

a genus of arthropods

a genus of bacteria

a genus of birds

any genus in the phylum Chordata

a genus of coelenterates

a genus of ctenophores

genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

(botany) taxonomic unit of plants corresponding to a phylum

a genus of echinoderms

genera of ferns and fern allies

any of various genus of fish

an artificial taxonomic category established on the basis of morphological resemblance for organisms of obscure true relationships especially fo…

(biology) an artificial taxonomic category for organisms of which the true relationships are obscure; forms the first half of a species' unique…

includes lichen genera

a genus of gymnosperms

genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

a genus of mammals

a genus of mollusks

genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

a genus of mosses

a genus of plants

any genus of Protoctista

a genus of reptiles

a genus of Porifera

(biology) genus from which the name of a family or subfamily is formed; it is not necessarily the most representative genus but often the larges…

a genus of worms

any family of amphibians

the order of animals

any of the arthropods

a family of bacteria

a species of bacteria

a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

a special variety of domesticated animals within a species; "he experimented on a particular breed of white rats"; "he created a new strain of s…

any family in the phylum Chordata

a family of coelenterates

a family of ctenophores

a variety of a plant developed from a natural species and maintained under cultivation

family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

a family of echinoderms

a species whose numbers are so small that the species is at risk of extinction

families of ferns and fern allies

any of various families of fish

a species of fish

(biology) an artificial taxonomic category for organisms of which the true relationships are obscure; ranked between order and genus

includes lichen families

the order of fungi

family of flowering plants having a single cotyledon (embryonic leaf) in the seed

family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

a family of mammals

a family of mollusks

family of flowering plants having a single cotyledon (embryonic leaf) in the seed

a family of mosses

a family of plants

the order of plants

any of the families of Protoctista

the order of protoctists

a family of reptiles

a special variety of domesticated animals within a species; "he experimented on a particular breed of white rats"; "he created a new strain of s…

a special variety of domesticated animals within a species; "he experimented on a particular breed of white rats"; "he created a new strain of s…

(biology) the species that best exemplifies the essential characteristics of the genus to which it belongs

a family of worms

a class of verbs having the same inflectional forms

a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms; "the first declensio…

a class of one kind of unit in a system of numbers or measures or weights or money; "he flashed a fistful of bills of large denominations"

the class of all items that can be substituted into the same position (or slot) in a grammatical sentence (are in paradigmatic relation with one…