Symbiosis: The living together of organisms of different species.
A suborder of ciliate protozoa. Most organisms are free-living in fresh water and many species are used extensively for experimental studies.
Liquid components of living organisms.
A class of protozoa consisting of plantlike flagellates. Its organisms are free-living and have one or two flagella.
The study of the origin, nature, properties, and actions of drugs and their effects on living organisms.
That branch of learning which brings together theories and studies on communication and control in living organisms and machines.
A species of the genus MACACA inhabiting India, China, and other parts of Asia. The species is used extensively in biomedical research and adapts very ...
Substances capable of producing a harmful or deadly effect on living organisms as well as the environment.