Evolution

Charles Darwin

Maryland Content Standard

• Recognize and describe that evolutionary change in species over time occurs as a result of natural variations in organisms and environmental changes.

Objective

• Students will be able to recognize and describe that adaptations involves the selection of natural variations in a population.

Essential Question

• How are adaptations responsible for the natural variations in organisms of the

same species?

Warm-Up

• Video: Preview – Discussion question:

• Who was Charles Darwin and what interested Darwin about the Galapagos Islands?

Activities

• Let’s talk:– What do you know about Charles Darwin??

• List your ideas• Be prepared to discuss previous knowledge

• Viewing:– Discovery Channel School Video Field Trip:

Changes Over Time

Explanation

• Read pages 138-141– What are the three main parts of Darwin’s

observations?

• Darwin’s observations and questions were different than that of others during his time. Explain his views on adaptations

Vocabulary

• New Vocabulary

• Vocabulary Chart

Extension

• Complete the Bird Beak Adaptation Activity p. 141

• Go Online: SciLinks Webcode: scn-0351 for further research

Evaluation

• Look at figure 2 page 140. Compare the iguanas and their environments. Explain how this is an example of Darwin’s Theory.