A student of biology; one versed in the science of biology.

(biology, biochemistry, genetics) a scientist who specializes in molecular biology

Biological; pertaining to biology or to a living organism.

An extremely complex drug, vaccine or antitoxin that is made from a living organism, or from products of a living organism.

The woman from whom one inherits half of one's DNA and who is the source of one's mitochondrial DNA.

plural of biological parent

A child's natural parent, either the male who supplied the sperm or the female who supplied the egg which interacted for the child's conception.

The use of any harmful organism (such as a bacterium or virus) as a weapon of war.

biochemical oxygen demand

In a biological manner. / With regard to biology.