A relationship in which one species consumes and the other one is kill A relationship in which one species consumes and the other is killed is known as

Predation; Predation refers to the interaction between two organisms, a predator and a prey, where there is a flow of energy from one to another. The predator kills and consumes the prey. Predation provides energy to prolong the life of the predator and promote the reproduction of the predator, to the detriment of the prey (the organisms that is being consumed.