4. Evolution of Populations

By the end of this section you should be able to:

1. Describe both man made and natural changes that have altered environmental conditions that create selective pressure.

Essential Vocabulary

Selective pressure

2. Explain the importance of genetic variation in a population’s response to changing environmental conditions.

Essential Vocabulary

Genetic variationPopulationNatural selection

3. Model an example of a shift in allele frequency over just a few generations (microevolution).

Essential Vocabulary

Allele frequencyMicroevolution

4. Explain how selective pressure can lead to extinction.

Essential Vocabulary

ExtinctEndangered

5. Describe the role of mutation within a population to surviving an environmental change.

Essential Vocabulary

Mutation

6. Describe how the lack of gene flow due to reproductive isolation can lead to speciation.

Essential Vocabulary

Gene flowReproductive isolationGeographicTemporalBehavioralSpeciation

7. Explain how new groups of organisms often arise after mass extinctions.

Essential Vocabulary

MacroevolutionAdaptive radiation

8. Describe the role of genetic drift in the formation of new species in remote (island) environments.

Essential Vocabulary

Genetic drift

Vocabulary Review

These are 2 practice vocabulary quizzes to help you review the vocabulary for this section. Each quiz has 10 questions. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score

Evolution of Populations

There are 8 questions on this Content Quiz. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score.

This is a skills quiz to help you review and apply science practices to the content from this module. There are 4 questions. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score.

Report abuse