A Parasitic Relationship.
A relationship between two kinds of organisms that benefits both is called a symbiotic relationship.
The study of the relationship of organisms and their environment is called ecology.
plants
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A long term interaction between two organisms not of the same species is called a symbiotic relationship. There are many different kinds of symbiotic relationships.
The relationship between two organisms that rely on each other for survival is called a symbiotic relationship.
ecology
It is a symbiotic relationship called commensalism
A mutually beneficial relationship between two biotic (living) organisms is called a symbiotic relationship.
in relation to cells it is endosymbiosis
competition
parasitism