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Think about this question: How have phones devices changed?
Think about this question: How have personal musical devices
changed?
Word Definition Picture
1. Evolution
change in the hereditary features of a species over time - due to mutations in their
DNA
Horse Evolution
Whale Evolution
Word Definition Picture
2. Charles Darwin
Theory of Natural Selection about
evolution
Darwin’s Observations
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?
Word Definition Picture
3. Species
Group of organisms that can mate with one another to produce fertile
offspring
Word Definition Picture
4. Adaptation
A characteristic that helps an
organism survive and
reproduce in its environment
Examples: polar bear fur, bird
wings
NOTE!• Adaptations are caused by
mutations in DNA. An organism cannot CHOOSE to have an adaptation and then pass it on to their children!!
Darwin’s finches: adaptations: - bird beak shapes are examples of
adaptations
Questions
1. What is evolution?
2. What is a species?
3. Some insects look just like sticks. How could this be an advantage to the insects?
4. What are some adaptations that a shark has?