non native species do damage by

some ecologist speculate that Earth could become a homogeneous ecosystem because

overfishing affects local ecosystems by creating the imbalance that must result if you eliminate a species from an environment

The primary cause of coastal wetland destruction is the tendency for

estuaries are particularly at risk of destruction because

according to estimates, more than ___% of mangroves has been destroyed

ENSO events seem to correlate with

practices destructive to coral associated with capturing fish include

scientists estimate that about _% of the worlds coral reefs has been destroyed

with respect to the marine environment, we define pollution as

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