organism
any individual living being or physical living system
fungi
biological kingdom, separate from plants and animals
prokaryotes
group of organisms whose cells lack a cell nucleus
hybrid
offspring of cross-species reproduction
aerobic organism
organism that thrives in an oxygenated environment
acidophile
organisms that thrive under highly acidic conditions (usually at pH 2.0 or below)
created kind
purported to be the original forms of life as they were created by God
keystone species
species that has a disproportionately large effect on its environment relative to its abundance
individual
individual person or organism
plant
taxon
beneficial organism
organism that is beneficial for human activity
giant tortoise
group of species within the family "Testudinidae" characterized by large size, NOT a taxon
rational
grammatical category referring to those able to use logical thought rather than emotions to make decisions
multicellular organism
organism that consists of more than one cell
male organism
male animal or plant
adult
living organism that has reached sexual maturity
mushroom
fleshy, spore-bearing fruiting body of a fungus, typically produced above ground on soil or on its food source
heterotroph
organism that ingests or absorbs organic carbon (rather than fix carbon from inorganic sources such as carbon dioxide) in order to be able to produce energy
anaerobic organism
organism living in the absence of oxygen
host organism
organism that harbors another organism; organism whose resources are used by another organism then called parasite
chemotroph
organisms that obtain energy by the oxidation of electron donors in their environments
Earthling
inhabitants of the planet Earth; all life existing on and likely originating from Earth; currently identical to life generally to the extent known to the same
Bottom feeder
organism that eats the mud at the bottom of bodies of water
Organisms at high altitude
organisms capable of living at high altitudes
parasite
organism adapted to living on or in another organism and causing harm to its host
individual organism
individual living thing
microorganism
microscopic living organism
female organism
organism of the female sex
heterozygotes
cells containing two different alleles of a gene
juvenile
individual organism that has not yet reached its adult form, sexual maturity, size
energy being
theoretical life form composed of energy rather than matter
colonial organism
colony of single-cell organisms
mirror life
hypothetical form of life with mirror-reflected molecular building blocks (proteins, nucleic acids, etc.)
type specimen
either, in taxonomy: one of several possible forms of a type, or, in zoology: a specimen belonging to a type series
cannibal
organism that eats its own kind
plankton
organisms that are in the water column and are incapable of swimming against current
model organism
organisms used to study biology across species
mutant
organism or a new genetic character arising or resulting from an instance of mutation, which is an alteration of the DNA sequence of a gene or chromosome of an organism
sentient being
in Buddhism, being with consciousness, sentience, or in some contexts life itself
extraterrestrial
lifeform that does not originate from Earth
pathogen
biological entity that causes disease in its host, which is typically an infectious microorganism or agent, such as a virus, bacterium, protozoan, prion, viroid, or fungus
hermaphrodite
sexually reproducing organism that produces both male and female gametes
sexual partner
person who engages in sexual activity with another one
prey
living thing that is eaten by a predator
cursorial
organism that is adapted specifically to run
unicellular organism
organism consisting of only one cell
autotroph
organism that produces complex organic compounds (such as carbohydrates, fats, and proteins) from simple substances present in its surroundings, generally using energy from light (photosynthesis) or inorganic chemical reactions (chemosynthesis)
pest
living organism detrimental to humans or human concerns
primary nutritional group
group of organisms, divided in relation to the nutrition mode according to the sources of energy and carbon, needed for living, growth and reproduction
organism (biology)
system of organs of a living being in its entirety