Concept:The total surrounding or medium of an organism is called its environment.
Explanation:The environment includes everything that surrounds an organism in a given area.
This covers physical features, climatic conditions, and other living organisms present around it.
The biotic component refers only to the living part of the surroundings, so it is not the best answer.
The abiotic component refers only to the non-living part, so it is also too limited.
An ecosystem includes both living and non-living components and the interactions between them, which makes it broader than just the surrounding medium.
Therefore, the correct term that defines the total surrounding or medium of any organism is the environment.
Answer:Environment.