ecology
The study of the relationship of organisms and their environment is called ecology.
Ecology is the study of living things' relationship to their environment.
Interrelationship.
symbotic
The term mutualism is used to describe the relationship between two different organisms. This type of relationship is beneficial for both organisms and is sometimes referred to as co-operation.
The relationship between the terms species and organism isthat they are both living. Organisms are in a species.
ecosystem
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.
No. Ssymbiosis is a term for the relation between species, not a species and it's environment. See http://en.wikipedia.org/wiki/Symbiosis
Bioindicators
a symbiotic relationship where both organisms benifit
The nearest that I can desribe this action would be "Adaptation".