1. Do Now: 1.What do you know about evolution? 2.Have you ever heard of Charles Darwin?

2. REVIEW!!!! Before we look at evolution, lets review some key concepts… Can you tell me what traits are ? How about DNA? How about mutations?

3. Word DefinitionPicture 1. Traits Characteristics organisms have due to their genetics Example: Brown hair, blue eyes, long fur, feathers

4. Word DefinitionPicture 2. DNA Deoxyribonucleic acid, Molecule in the nucleus of our cells that tell our cells what to do You get half your DNA from you mom, half from you dad

5. Word DefinitionPicture 3. Mutations Changes in DNA, could be harmful or helpful

7. Think about this question: How have phones devices changed?

8. Think about this question: How have personal musical devices changed?

9. Word DefinitionPicture 1. Evolution change in the hereditary features of a species over time - due to mutations in their DNA

10. Horse Evolution

12. Whale Evolution

15. Word DefinitionPicture 2. Charles Darwin Theory of Natural Selection about evolution it is still accepted today

16. Darwin’s Observations Darwin went on an expedition to the Galapagos Islands and became the ship’s naturalist. (He studied plants and animals at every island they stopped.)

18. Darwin collected many plants and animals and observed many new species in the Galapagos Islands. Species – group of organisms that can reproduce successfully Many different species of finches, but they lived so close?

19. Word DefinitionPicture 3. Species Group of organisms that can mate with one another to produce fertile offspring

21. Word DefinitionPicture 4. Adaptation A characteristic that helps an organism survive and reproduce in its environment Examples: polar bear fur, bird wings

22. NOTE! Adaptations are caused by mutations in DNA. An organism cannot CHOOSE to have an adaptation and then pass it on to their children!!

23. Darwin’s finches: adaptations: - bird beak shapes are examples of adaptations

24. Questions 1.What is evolution? 2.Some insects look just like sticks. How could this be an advantage to the insects? 3.What are some adaptations that a shark has?