Answers

2014-09-28T19:16:48+05:30
An ecosystem is all the living organisms in an area along with the nonliving, or abiotic, parts of their environment. The abiotic parts of an ecosystem include physical substances such as soil, air, and water; forces such as gravity and wind; and conditions such as temperature, light intensity, humidity, or salinity.
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2014-09-28T19:27:17+05:30
Biotic and abiotic factors are very essential for the correct working of an ecosystem.Abiotic factors like water,air etc are needed for organisms to live.Biotic factors like plants etc are also needed for living organisms.
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