Organism compete to survive for the same resources or needs in order to survive. 

Group the Abiotic and Biotic

Biotic is a non living things

Both organism benefit from the relationship

A consumer feeds on another consumer.

One organism benefits, the other one is harmed.

Abiotic is a non living things

One organism benefits, other one is unaffected

An organism that only eats plant

a set of relationship that allows the living and non living things in a particular place to provide what the organism there need to survive.