Категория noun.animal

any organism of microscopic sizemicro-organism; microorganism;
(biology) a single-celled microorganism (especially a flagellate protozoan)monad;
an organism (especially a bacterium) that requires air or free oxygen for lifeaerobe;
an organism (especially a bacterium) that does not require air or free oxygen to liveanaerobe;
an organism that cannot grow in the presence of oxygenobligate anaerobe;
(genetics) an organism that is the offspring of genetically dissimilar parents or stock; especially offspring produced by breeding plants or animals of different varieties or breeds or speciescross; crossbreed; hybrid;
a hybrid produced by parents that differ only at two gene loci that have two alleles eachdihybrid;
a hybrid produced by crossing parents that are homozygous except for a single gene locus that has two alleles (as in Mendel's experiments with garden peas)monohybrid;
an organism that can assume more than one adult form as in the castes of ants or termitespolymorph;
an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)congenator; congener; congeneric; relative;
harmless microorganisms (as Escherichia coli) that inhabit the intestinal tract and are essential for its normal functioningintestinal flora;
(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of proteinvirus;
a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitisarborvirus; arbovirus;
the outer covering of protein surrounding the nucleic acid of a viruscapsid;
(virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses)virion;
any of a group of viruses including those that in humans cause upper respiratory infections or infectious pinkeyeadenovirus;
a virus that causes upper respiratory infection (including the common cold and bronchiolitis); most often in childrenparainfluenza virus;
animal viruses belonging to the family Arenaviridaearenavirus;
the RNA virus that causes Argentine hemorrhagic fever; carried by rats and micejunin virus;
the RNA virus that causes Lassa feverlassa virus;