In biology, an organism is any contiguous living system. In at least some form, all types of organisms are capable of response to stimuli, reproduction, growth and development, and maintenance of homeostasis as a stable whole. An organism may be either unicellular (a single cell) or, as in the case of humans, comprise many trillions of cells grouped into specialized tissues and organs. The term multicellular (many cells) describes any organism made up of more than one cell.
All stories in Organism
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Slimy fish mucus can help chemists develop new antibiotics — here's how
One day in the future, you may take a pill to treat an illness – and owe your recovery to the tiny microbes that flourish ...
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Why this geneticist says we should stop human evolution
Measles cases in the US have hit a 25-year high, with 78 new infections in the past week alone. In a sign of the times, a ...
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Cornell scientists create 'living' machines that eat, grow, and evolve
The field of robotics is going through a renaissance thanks to advances in machine learning and sensor technology. Each generation ...
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Research: Humans can sense the Earth’s magnetic fields (just like bees)
Do human beings have a magnetic sense? Biologists know other animals do. They think it helps creatures including bees, turtles ...
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Why probing this new artificial DNA molecule could help us discover aliens
In a monumental achievement on this journey, scientists funded by NASA and led by the Foundation for Applied Molecular Evolution ...
