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Ecosystems _______ a lot of biodiversity are generally stronger and more resistant to disaster than those with fewer species.

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When the biodiversity of an ecosystem is interrupted or destroyed, the economic impact _______ the local community could be enormous.

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Mountain gorillas are a(n) ______ species.

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The country has vast oil reserves and ______ deposits of other minerals.

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_______ to 226 species of plants, U Minh Thuong is the region with the richest biodiversity in the Mekong River Delta.

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Deforestation activities are destroying the local ______ as well as the archaeological sites.

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They realised they would have to ban fishing in some areas in order to keep ______ healthy.

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Their environmental policies are focused on some global issues, such as ______ and ozone layer depletion.