They are useful because of the way they process and digest food. They apply their enzymes externally and then absorb smaller mollecules. This process releases things like CO2 or creates alcohols, and this has historically been used in making drinks like beer or foods like bread and cheese.
Answer: Hunt and kill other organisms
Explanation:
A predator is a living organism usually animal, that is capable of hunting, killing and feeding on other organisms. The hunted animal is called a prey.
For example:
Lions, tigers, leopards all hunt for antelopes using their good eyesight to find them, their powerful claws to kill and their jaws to feed on its flesh.
Thus, lions, tigers and leopards are predators while antelopes are preys
