Assertion: ecosystem | /r/HasProperty | natural
Facets:
value: in an area
type: LOCATION
value: completely
type: DEGREE
Source sentences:
text: The discriminating factor of natural ecosystems from other ecosystems is that they are completely natural.
text: An ecosystem is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the non-living physical (abiotic) factors of the environment.
text: An ecosystem is a natural environment and includes the flora (plants) and fauna (animals) that live and interact within that environment.
text: An ecosystem may be natural or artificial, land-based or water-based.
text: An ecosystem is a natural unit consisting of all plants, animals and micro- organisms(biotic factors) in an area functioning together with all of the ...