The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism. Bioaccumulation takes place within an organism when the rate of intake of a substance is greater than the rate of excretion or metabolic transformation of that substance. Compare biomagnification.
the science of sounds produced by or affecting living organisms, as for communication or echolocation.
any effect on, interaction with, or response from living tissue.
determination of the biological activity or potency of a substance, as a vitamin or hormone, by testing its effect on the growth of an organism. to subject to a bioassay. noun (ˌbaɪəʊəˈseɪ; -ˈæseɪ) a method of determining the concentration, activity, or effect of a change to substance by testing its effect on a living organism […]
the science dealing with the effects of space travel on life. noun (functioning as sing) the study of the effects of space flight on living organisms See space medicine