Relationships
The relationship between a cheetah and a gazelle
Predation
A non-living thing is called
Abiotic
The relationship between a hungry tick and a cattle
Parasitism
A living thing is called
Biotic
The relationship between a tree and a nesting bird
Communalism
The relationship between a hungry oxpecker and an annoyed zebra with ticks on its skin
Mutualism
A relationship between two organisms where one at least one benefits
Symbiosis