Biology Exam #4

Front

Most free oxygen (O2) in the earth’s atmosphere is produced by

Back

photosynthesis in plants and algae

Front

Which of the following does not increase biodiversity?
- abundant resources
- a greater birth rate than death rate in many populations
- a surge in one specific population
- high food availability

Back

a surge in one specific population

Front

Which of the following is (are) considered a greenhouse gas?

Back

carbon dioxide, methane, water vapor

Front

Which statement exhibits bias?

Back

Unchecked carbon emissions will lead to runaway global warming.

Front

Which of the following would reduce a society’s ecological footprint?
- a concentration of populations in cities
- a growing human population
- using less technology
- using more natural resources

Back

a concentration of populations in cities

Front

Primary succession occurs after an area has lost all forms of vegetation (e.g., by a fire or volcanic eruption).

Back

True

Front

Projections of future changes in the environment based on small historical samples are usually very reliable.

Back

False

Front

According to a biblical worldview, the earth’s climate has remained constant throughout its history.

Back

False

Front

The first organisms to move into an area during primary succession are

Back

pioneer species

Front

A comparison of how many resources a person uses with how quickly those resources can be replaced is a measure of that person’s __________ _________.

Back

ecological footprint