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
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 (s) (noun), halobions (pl)
A marine organism: The halobion, described in Jane's biology book, thrives in a saline environment, as in an ocean.
halobiont (s) (noun), halobionts (pl)
A marine organism living in a saline habitat: In her biology class at school, Alice learned about halobionts that seemingly thrived in salty environments, as in the sea.
halobiontic
halobios
1. The total life of the sea.
2. That part of the Earth’s surface occupied by marine organisms; also, halibios.
halobiotic (adjective), more halobiotic, most halobiotic
A reference to life in the sea: Halobiotic plants and animals exist only in such salty conditions or areas, as in a 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.
hobiont
Holophyte or any green, phototrophic, independent plant.
holendobiosis
A condition of being an obligate (obligatory) endobiont and specifically that of a parasitic fungus that produces spores within the host tissue.
hydrobiology
1. The study of life, or living organisms, in aquatic habitats.
2. The study of live forms in bodies of water; such as, lakes or estuaries.
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-.