bio-, bi-, -bia, -bial, -bian, -bion, -biont, -bius, -biosis, -bium, -biotic, -biotical

(Greek: life; living, live, alive)

Don’t confuse this element with another bi- which means "two".

The most important things in life are not things.

—Anonymous
gnotobiosis
1. A condition in which animals are sterile both internally and externally, or of the procedures used to secure and maintain these conditions.
2. Growing organisms by themselves or in association with other completely known kinds of organisms; raising gnotobiotic organisms.
3. A condition in which all the forms of life present within an organism can be accounted for. Typically these organisms are germfree or gnotophoric (having only one contaminant).
gnotobiota
Living colonies or species, assembled from pure isolates (separations).
gnotobiote
1. An individual organism from a group assembled from pure isolates or separations from other organisms. Also, gnotobiota.
2. A germ-free animal infected with one or more microorganisms in order to study the microorganism in a controlled situation.
gnotobiotic
1. A reference to germ-free or formerly germ-free organisms in which the composition of any associated microbial flora, if present, is fully defined.
2. The study of organisms or environmental conditions that have been rendered free of bacteria or contaminants or into which a known microorganism or contaminant has been introduced for research purposes.
gnotobiotics
1. The science of raising laboratory animals whose microfauna and microflora are specifically known in their entirety.
2. The study of organisms or environmental conditions that have been rendered free of bacteria or contaminants or into which a known microorganism or contaminant has been introduced for research purposes.
halobion
An association of marine plants.
halobiont
A marine organism or an organism living in a saline habitat.
halobiontic
halobios
1. The total life of the sea.
2. That part of the Earth’s surface occupied by marine organisms; also, halibios.
halobiotic
A reference to life in the sea.
helobious
Living in marshes.
hemiendobiosis
The condition of a parasite that can exist both inside and outside the host.
heterobiographical
heterobiography
A biography written by another person as opposed to an autobiography.
heterosymbiont
A reference to a symbiotic association of several members, particularly of a lichen containing several species of algae.
Quiz If you would like to take a series of self-scoring quizzes over some of the words in this bio- unit, then click this Life, Live, Living Quiz link so you can check your knowledge. You may also try several additional quizzes in this listing.

Related life, live-word units: anima-; -cole; vita-; viva-.