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

1. When one symbiont damages another. It is similar to parasitism.
2. The ability of two different types of organisms to exist closely with one another without giving an advantage or disadvantage to the other.
3. The relationship between a free-living lichen and another lichen or fungus which infests it and establishes a symbiotic relationship with the algae of the lichen.

Pathology with emphasis more on the biological than on the medical aspects.

Living on or among rocks or stones.

The branch of pharmacology concentrating on drug biotransformation and the biochemical aspects of drug metabolism and drug action at a cellular or subcellular level.

A person’s life shown in a series of photographs.

1. The study of the effects of light on living things.
2. That part of biology designed to destroy tissues with a concentrated light beam; such as, a laser.

1. In biology, dependent upon light for existence.
2. Used to describe organisms that need light in order to live and grow.

The algal component of a lichen; any alga that is associated with a fungus to form a lichen.

A friendly association between ants and termites.

The study of leaves.

Botany, particularly the life history of plants.

Living within plants; applies to some protozoans.

A reference to the period before the existence of life on earth.

An association of two organisms that enhances the life processes of both.

The phase of science dealing with life forms more minute than bacteria; such as, the ultraviruses and bacteriophages.

If you would like to take a series of self-scoring quizzes over some of the words in this bio- unit, then click this Bio-Quiz link so you can check your knowledge. You may also try several additional quizzes in this listing.