Complex sentence: Not unexpectedly, soil contaminants can have significant deleterious consequences for enivornment.The changes can manifest in the alteration of metabolism of endemic microorganisms and arthropods resident in a given soil environment.
Split into simpler sentences: Not unexpectedly, soil contaminants can have significant deleterious consequences for ecosystems. These changes can manifest in the alteration of metabolism of endemic microorganisms and arthropods resident in a given soil environment.