Study of interrelationships between a species and its environment is called:

The study of interrelationship between organisms and their environment is called.

Study of inter-relationships between organisms and their environment is

Study of inter-relationships between a species/individual and its environment in all stages of its life cycle is

Study of inter-relationships between a species/individual and its environment in all stages of its life cycle is

Study o inter-relationships between organisms and their environment is