Natural Environments - Revision

Which is not one of the four spheres of the biophysical environment?

• Atmosphere

• Biosphere

• Hydrolosphere

• Lithosphere

Which one of the following is considered to be a terrestrial ecosystem?

• Wetlands

• Oceans

• Coral reefs

• Coasts

What are the four functions of the environment?

• The Earth's SOURCE function

• The Earth's SINK function

• The Earth's SAVE function

• The Earth's SPIRITUAL function

As a result of vegetation clearance, rising water tables can produce salinity, and because of the application of fertilisers, run-off into water bodies can cause algal blooms. What is this process called?

• Eutrophication

• Acidification

• Invasion

• Solidification

What is the difference between a biome and an ecosystem?

• Biome is another word for ecosystem

• A biome comprises of multiple ecosystems

• Biome refers to physical processes in the biosphere, while ecosystem refers to the interactions in the environment

• Biomes have set boundaries on the Earth's surface, while ecosystems interact with each other

What is the largest desert on the Earth?

• Sahara Desert

• Antarctica

• Atacama Desert

• Simpson Desert

Which is not a type of rock formed by the Earth's natural physical processes?

• Metamorphic

• Sedimentary

• Intrusive

• Igneous

What is irrigation?

• To supply controlled amounts of water to crops by natural means

• To supply controlled amounts of water to crops by artificial means

• The process of using rainfall and groundwater to water crops

• The process of using seawater to water crops

What is land terracing?

• To flatten farmland and soil to minimise rainfall runoff and distribute water evenly

• Levelling the land to ensure buildings and infrastructure can be constructed without slope

• Levelling the ground for residential homes to be built without damage to the environment

• To construct flat buildings on hills and mountains to maximise the efficiency of using land space

Which type of biome would you not be able to find in Australia?

• Desert

• Rainforest

• Grassland

• Tundra