An Ecosystem is an Ecological Community that Functions as a Unit
Ecosystems are ecological communities that function as a units. Each ecosystem is comprised of all of the flora and fauna and abiotic features within the ecosystem.The types of organisms living in an ecosystem are determined byinteractions between environmental conditions, such as rainfall, temperature, humidity, sunlight and soil type.
Communities are groups of organisms from different species living in the same area and interacting with each other
Population is a group of organisms living in an area from the same species similar to a niche
Organism is a single living organism (plant or animal)