Answer:
a. predation
Explanation:
parasitism refers a parasitic organism that lives off another organism but will not kill them because need them
( usually for nutrients) but can cause them to feel ill
ex. leech sucks blood from a human until full, harms the person by perhaps making their blood pressure drop by taking blood but does not kill them
predation usually consists of an animal preying on another
ex. predator lion eating its prey deer ( the lion gains in the process harming the deer)
herbivory refers to an organism that can eat meat or plants to survive
ex. humans can survive on either plants aka vegetables/fruits or meat pork, beef etc.
