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How many different kinds of ecological systems are there on Earth?


Most folks are aware of forest and deserts and grasslands but I was wondering just how many different kinds of ecological systems scientists have identified in total?

 

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Anil Lyall profile image61

Anil Lyall says

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3 years ago
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iAccura profile image60

iAccura says

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3 years ago
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    Amanda Littlejohn (stuff4kids) 3 years ago

    Thanks iAccura, that's fascinating.

    So how is an ecosystem defined, then - and what are its boundaries?