An ecosystem is a unit composed of interdependent organisms that share the same habitat. Ecosystems usually form a series of chains that show the interdependence of organisms within the system. It can also be defined as: "An ecosystem consists of the biological community of a place and the physical and chemical factors that constitute the abiotic environment."
An ecosystem includes all of the living things like plants, animals and organisms in a given area, interacting with each other, and also with their nonliving environments like weather, earth, sun, soil, climate, atmosphere.
Levels of organization in an ecosystem
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-Ecosystem Community: this includes all the populations in a specific area at a
given time. A community includes populations of organisms of different
species; a great community usually includes biodiversity.
-Ecosystem:
ecosystems include more than a community of living organisms interacting
with the environment. At this level they depend on other abiotic factors such
as rocks, water, air and temperature.
-Ecosystem Biome: is a set of ecosystems sharing similar
characteristics with their abiotic factors adapted to their environments.
-Ecosystem Biosphere: when we consider all the different biomes, each blending
into the other, will all humans living in many different geographic areas, we
form a huge community of humans, animals and plants, in their defined habitats.
A biosphere is the sum of all the ecosystems established on Earth.
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