Answer:
Predation, parasitism and herbivory are the three interactions which are found in different organisms of an ecosystem.
Lion is a predator which feed on flesh of other animals such as herbivores.
Step-by-step explanation:
Predation is the interaction between two organisms in which one gets benefit and the other is killed. Parasitism is the interaction between two organisms in which one gets benefit and the other is harm not killed.
Herbivory refers to those organisms which feed on plants for survival.