Environmental Change & Management

Four major functions of the environment considered in this chapter are

• Source, sink, service and Greenhouse Effect

• Source, sink, service and biodiversity

• Source, sink, service and ecological integrity

• Source, sink, service and spiritual

The environment has an amazing natural capacity to absorb, break down and recycle the wastes and pollution produced. The name given to this function is

• Source

• Sink

• Service

• Spiritual

_________ is needed to prevent dryland salinity.

• Water

• Sunlight

• Vegetation

• Soil

Maintaining biodiversity on Earth is crucial. Healthy biodiversity offers humanity

• Ecosystem services

• Social benefits

• Biological resources

• All of the above

What percentage of American tourists claim that Australia’s unique wildlife and scenery is integral to their decision to visit the country?

• 30%

• 50%

• 70%

• 90%

What human factors contributed to the extinction of the Tasmanian tiger?

• Diseases introduced by humans and dogs

• Introduction of predatory dogs into the ecosystem

• Being hunted by farmers

• All of the above

What is the term given to all of the life forms and environments on Earth?

• Atmosphere

• Biosphere

• Hydrosphere

• Lithosphere

Coal is what type of resource?

• Renewable

• Non-renewable

• Finite

• B and C

Which phenomenon can only be determined over a long period of time?

• Weather

• Temperature

• Climate

• UV radiation

In terms of climate change and global warming, because of the way carbon dioxide can trap the Earth’s heat, an increase in its amount

• means more heat is trapped on Earth

• means more heat is released on Earth

• means less heat is trapped on Earth

• means more heat is released on Earth