Multicellular Response Is ‘All For One’
Real or perceived threats can trigger the well-known "fight or flight response" in humans and other animals. Adrenaline flows, and the stressed individual’s heart pumps faster, the muscles work harder, the brain sharpens and non-essential systems shut down. The whole organism responds in concert in order to survive.
At the molecular level, it has been widely assumed that, in single-celled organisms, each cell perceives its environment — and responds (more…)