biological group

Definitions of biological group
  1. noun
    a group of plants or animals
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    types:
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    genotype
    a group of organisms sharing a specific genetic constitution
    clade
    a group of biological taxa or species that share features inherited from a common ancestor
    taxon, taxonomic category, taxonomic group
    animal or plant group having natural relations
    animal group
    a group of animals
    colony
    a group of organisms of the same type living or growing together
    division
    (biology) a group of organisms forming a subdivision of a larger category
    generation
    group of genetically related organisms constituting a single step in the line of descent
    descendants, posterity
    all of the offspring of a given progenitor
    division Archaebacteria
    in some classifications considered a kingdom
    division Eubacteria
    one-celled monerans having simple cells with rigid walls and (in motile types) flagella
    Cyanophyta, division Cyanophyta
    prokaryotic organisms sometimes considered a class or phylum or subkingdom; coextensive with the Cyanophyceae: cyanobacteria (blue-green algae)
    Schizophyta, division Schizophyta
    former term for the Cyanophyta
    Heterokontophyta, division Heterokontophyta
    algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classifications
    Chrysophyta, division Chrysophyta
    mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta
    Phaeophyta, division Phaeophyta
    coextensive with class Phaeophyceae; in some classifications subsumed in the division Heterokontophyta
    Euglenophyta, division Euglenophyta
    free-swimming flagellate algae
    Chlorophyta, division Chlorophyta
    large division of chiefly freshwater eukaryotic algae that possess chlorophyll a and b, store food as starch, and cellulose cell walls; classes Chlorophyceae, Ulvophyceae, and Charophyceae; obviously ancestral to land plants
    Rhodophyta, division Rhodophyta
    lower plants; mostly marine and littoral eukaryotic algae
    Cynodontia, division Cynodontia
    a division of the order Therapsida from the Triassic period comprising small carnivorous tetrapod reptiles often with mammal-like teeth
    Dicynodontia, division Dicynodontia
    a division of Therapsida
    Adapid, Adapid group
    extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendents probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins
    Omomyid, Omomyid group
    extinct tiny nocturnal lower primates that fed on fruit and insects; abundant in North America and Europe 30 to 50 million years ago; probably gave rise to the tarsiers; some authorities consider them ancestral to anthropoids but others consider them only cousins
    Pisces
    a group of vertebrates comprising both cartilaginous and bony fishes and sometimes including the jawless vertebrates; not used technically
    kingdom
    the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia
    subkingdom
    (biology) a taxonomic group comprising a major division of a kingdom
    biotype
    organisms sharing a specified genotype or the genotype (or peculiarities) so shared
    team
    two or more draft animals that work together to pull something
    brood
    the young of an animal cared for at one time
    flock
    a group of birds
    flock, fold
    a group of sheep or goats
    herd
    a group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans
    herd
    a group of wild mammals of one species that remain together: antelope or elephants or seals or whales or zebra
    pack
    a group of hunting animals
    pod
    a group of aquatic mammals
    pride
    a group of lions
    clowder
    a group of cats
    school, shoal
    a large group of fish
    caste
    in some social insects (such as ants) a physically distinct individual or group of individuals specialized to perform certain functions in the colony
    colony
    (microbiology) a group of organisms grown from a single parent cell
    warren
    a colony of rabbits
    variety
    (biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics
    breed, stock, strain
    a special variety of domesticated animals within a species
    phylum
    (biology) the major taxonomic group of animals and plants; contains classes
    subphylum
    (biology) a taxonomic group ranking between a phylum and a class
    superphylum
    (biology) a taxonomic group ranking between a phylum and below a class or subclass
    class
    (biology) a taxonomic group containing one or more orders
    subclass
    (biology) a taxonomic category below a class and above an order
    superclass
    (biology) a taxonomic class below a phylum and above a class
    order
    (biology) taxonomic group containing one or more families
    suborder
    (biology) taxonomic group that is a subdivision of an order
    superorder
    (biology) a taxonomic group ranking above an order and below a class or subclass
    family
    (biology) a taxonomic group containing one or more genera
    superfamily
    (biology) a taxonomic group ranking below an order but above a family
    subfamily
    (biology) a taxonomic category below a family
    tribe
    (biology) a taxonomic category between a genus and a subfamily
    genus
    (biology) taxonomic group containing one or more species
    subgenus
    (biology) taxonomic group between a genus and a species
    monotype
    (biology) a taxonomic group with a single member (a single species or genus)
    species
    (biology) taxonomic group whose members can interbreed
    race, subspecies
    (biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species
    form, strain, var., variant
    (biology) a group of organisms within a species that differ in trivial ways from similar groups
    type
    (biology) the taxonomic group whose characteristics are used to define the next higher taxon
    drove
    a group of animals (a herd or flock) moving together
    form division
    an artificial taxonomic category for organisms of which the true relationships are obscure
    posterity
    all future generations
    baby boom, baby-boom generation
    the larger than expected generation in United States born shortly after World War II
    gen X, generation X
    the generation following the baby boom (especially Americans and Canadians born in the 1960s and 1970s)
    litter
    the offspring at one birth of a multiparous mammal
    Pteridospermae, Pteridospermaphyta, group Pteridospermae, group Pteridospermaphyta
    used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
    Centrospermae, group Centrospermae
    used in former classification systems; approximately synonymous with order Caryophyllales
    Amentiferae, group Amentiferae
    used in some classification systems for plants that bear catkins
    Phycomycetes, Phycomycetes group
    a large and probably unnatural group of fungi and funguslike organisms comprising the Mastigomycota (including the Oomycetes) and Zygomycota subdivisions of the division Eumycota; a category not used in all systems
    type of:
    group, grouping
    any number of entities (members) considered as a unit
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