Again there may be confusion between Biotic [living organisms] and Abiotic materials [never living, e.g. minerals, water]. ‘Non-living organisms’ in the ocean refers to all aquatic organisms that were once alive and are now dead. read more
The ocean is full of living things including green plants, herbivores, carnivores and scavengers. The ocean is home to blue whales, which is the largest species in the history of the planet, as well as microscopic organisms called plankton. read more
A non-living being or structure that has some qualities of a living being is properly called an organization, not an organism. If a writer wants to emphasize that the organization, in some way, functions like a living organism, the writer may talk about an organization and call it an organism. read more