What happens when one organism eats another organism?
What is it called when one organism eats another and obtains energy?
Where does lost energy go in a food chain?
In a food chain only around 10 per cent of the energy is passed on to the next trophic level. The rest of the energy passes out of the food chain in a number of ways: it is used for life processes (eg movement) faeces and remains are passed to decomposers.