living independently of any host organism.
"Ecological resource" means a source or supply of ecological importance from which benefit is produced and required by living organisms for sustainable normal coexistence of nature and human well-being.
The smallest unit of ecological organization is an individual organism. This could be a single plant or animal that interacts with its living and non-living environment within a specific ecosystem.
a biome
Free living.
Free living
Most mollusks are free-living but there are a few that are parasitic.
Im not sure what the answer is exactly,but, an ecological niche is how(in your case)a carb makes a living... as in where does it live(how does it make a living?) and what is its job?(what does it do for a living?)
Protists are free living.
Free-Living
biome
There would have been ecological imbalance
II-Linnaeus.