predation
Commensalism
cannibalism
A word meaning interaction in which one organism kills and eats another is carnivore. Carnivorous is a classification of animal often used to describe mammals that eat meat.
food chain
Predation: a biological interaction in which a predator feeds on its prey
Such interaction is known as predator-prey relationship for example relation of a Gazelle and a Lion.
An organism that kills and eats all or part of another organism is called a carnivore.
Cheese eating shark
carnivores
predator
one organism or the producer kills or eats the other for food
Predator