(fenÂ´-fenÂ´), n a combination of fenfluramine hydrochloride and phentermine hydrochloride, two stimulants, which promotes weight loss by reducing appetite. It is no longer available due to its damaging of the heart's valves.
A biologist is a scientist who studies living organisms. Biologists involved in basic research attempt to discover underlying mechanisms that govern how organisms function. Biologists involved in applied research attempt to develop or improve medical, industrial or agricultural processes. Some biologists work in management positions coordinating or supervising research.
1 Producers: Organisms that use sunlight and/or chemical compounds to produce their own food. 2  Consumers: Organisms that eat other organisms for energy. 3  Species: A group of similar organisms that can breed with one another. 4  Population: A group of individuals of the same species that live in the same area. Producers: Organisms that use sunlight and/or chemical compounds to produce their own food. 2  Consumers: Organisms that eat other organisms for energy. 3  Species: A group of similar organisms that can breed with one another. 4  Population: A group of individuals of the same species that live in the same area.