Hi 1b3, I'm not sure where the 'first part' of your sentence ends, but the whole sentence works OK, and it's meaning is clear to me. I think, the sentence might read better if you put the word 'there' at the beginning: There the balance of nature is such that... Putting 'there' at the beginning shifts the subject to a specific location so the reader is not wondering if you meant to make a general statement about environments everywhere.
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