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Desertification is a process by which ecosystems in seasonally dry climates are degraded by human activities into human-made deserts. This process is not considered a threat to biodiversity because many plant and animal species find new habitats in these newly created deserts.

In the international wildlife trade, the major exporters are typically developing countries, whereas the major importers are developed countries.

Which nation ranks highest on the Human Development Index?

Invasive species are always problem species in their native areas.

_________ are the most common natural disasters worldwide.

Which area is likely to be most susceptible to invasive, terrestrial vertebrate species?

People arguing from the viewpoint of deep ecology promote the concept of biocentric equality; all things in the biosphere have an equal right to live.

It is generally easy for governments to place fair and accurate values on natural resources.

_________________ consider the present and future effects of projects on the environment.

The “Tragedy of the Commons” is: