What does the term evolution mean?

• change of any kind

• genetic offspring

• gradual change over time

• sudden change in response to environmental changes

Which of the following describes evolution?

• abrupt change

• gradual change

• no change

• sudden change

How do you call the remains of an organism that has lived in the distant past?

• Autotrophs

• Heterotrophs

• Fossils

• Radioactive substances

Which of the following is NOT true about speciation?

• Geographic isolations lead to speciation.

• It is a result of macroevolution.

• It is an evolutionary process by which a new species may arise.

• None of the above.

Which of the following situations is an example of natural selection?

• The appearance of peppered moths and scarcity of white moths due to the industrial revolution.

• The disappearance of short-necked giraffe due to scarcity of food.

• The growing number of pest-resistant insects.

• All of the above

Which of the following statements about evolution is true?

• Evolution can be initiated by natural or artificial means.

• Evolution promotes genetic diversity.

• Evolution selects traits that are best suited to the current environment.

• All of the above

What best describes biodiversity?

• endangered species

• tropical rainforests

• variety of species on Earth

• All of the above

Which of the following actions DOES NOT affect the ecosystem?

• alteration of artificial landscapes into natural landscapes

• land conversion for urban development

• ocean acidification due to combustion of fossil fuels

• All of the above

Which example shows genetic variation in a species?

• different eye colors in humans

• different types of maize

• hair color

• All of the above

In a cold, snowy environment, which of the following traits would be best suited for survival?

• A thick layer of fat for insulation

• Brown skin/feathers/fur for camouflage

• Fast metabolisms produce lots of energy

• Long legs in order to move quickly