Unit 3 Vocabulary

A change or the process of change by which an organism or species becomes better suited to its environment is called _________.

• Adaptation

• Mutation

• Migration

• Extinction

A substance or object capable of being decomposed by bacteria or other living organisms is called _________

• Biodegradable

• Non-biodegradable

• Synthetic

• Inert

The variety of life in the world or in a particular habitat or ecosystem is known as _________.

• Biodiversity

• Photosynthesis

• Ecosystem

• Habitat

A fuel derived from living matter like corn, which makes ethanol, is called _________.

• Biofuel

• Fossil fuel

• Natural gas

• Petroleum

A severe snowstorm with high winds and low visibility is called a _________.

• Blizzard

• Hurricane

• Tornado

• Monsoon

An artificial waterway constructed to allow the passage of boats or ships inland or to convey water for irrigation is called a _________.

• Canals

• Bridges

• Tunnels

• Dams

A crop produced for its commercial value rather than for use by the grower is called a _________. Some examples are coffee and tobacco.

• Cash Crop

• Food Crop

• Ornamental Plant

• Staple Crop

A change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels, is called _________.

• Climate Change

• Photosynthesis

• Ozone Depletion

• Acid Rain

A prolonged period of abnormally cold weather is called a _________.

• Cold Wave

• Heat Wave

• Drought

• Thunderstorm

A system of winds rotating inward to an area of low atmospheric pressure, with a counterclockwise (northern hemisphere) or clockwise (southern hemisphere) circulation, is called a _________?

• Cyclone

• Anticyclone

• Tornado

• Monsoon