living independently of any host organism.
No, not all free-living roundworms (nematodes) are predators. While many species are carnivorous and feed on microorganisms, other free-living nematodes are herbivores, feeding on plant material, or detritivores, breaking down organic matter. Their ecological roles are diverse, contributing to soil health, nutrient cycling, and various food webs.
"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.
Free living.
Free living
a biome
Most mollusks are free-living but there are a few that are parasitic.
Free-Living
Protists are free living.
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?)
II-Linnaeus.
There would have been ecological imbalance