niche
niche
energy
an ecosyestem is an biological environment consisting of all the orginisms living in a perticular area
microbiologist
Now they are extinct and play no role in the environment.
restricted in habitat
I think it is privations
You could be thinking of evolution
Role of sales staff operating in an international environment
A Seagulls role is to live in the environment
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The trees role in the environment is to get carbon and give oxygen to living and non living thigs!