(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.
All the living things, or organisms, and nonliving things that interact in a particular area make up an ecosystem. Organisms live in a speciï¬c place within an ecosystem. An organism obtains food, water, shelter, and other things it needs to live, grow, and reproduce from its surroundings.Some organisms make their own food in a process called photosynthesis. Other living things depend on plants and algae for food.The place where an organism lives and that provides the things the organism needs is called its habitat. An organism interacts with both living and nonliving parts of its habitat. The living parts of an ecosystem are called biotic factors.rganisms live in a speciï¬c place within an ecosystem. An organism obtains food, water, shelter, and other things it needs to live, grow, and reproduce from its surroundings. Some organisms make their own food in a process called photosynthesis. Other living things depend on plants and algae for food.