2. What is evolution?
EVOLUTION is the process in which a species gradually ________________________.

3. Who is Charles Darwin?
Developed the THEORY OF EVOLUTION by ______________________
He was born in England in 1809
He went on a 5 year journey where he observed living organisms and fossils
He wrote The Voyage of the Beagle about his observations on the ship the ________________

4. 4 Principles of Natural Selection:
________________: in a species, there are ________________ in traits.
ADAPTATION: an inherited trait that helps an organism __________________
__________________.

5. 4 Principles of Natural Selection:
____________________: too many offspring = competition for resources!
SELECTION: beneficial traits will be passed to future generations. (____________ selects the ______ traits!)

6. Darwin’s Finches

7. What is Natural Selection?
___________ SELECTION is the process where organisms that inherit beneficial traits tend to ___________________successfully than other organisms.
THINK: *survival of the fittest

8. Natural Selection - The bird here likes to eat white beetles
- There are variations in the beetle population where some beetles are dark.
The dark beetles possess a beneficial mutation and will have a higher frequency
in population over time than white beetles!

9. Ask yourself… Which type of moth do you think is selected AGAINST?
WHY?

10. Peppered Moths
Due to the environmental, or natural, changes the dark moth population
increased and the light colored moth population decreased
= NATURAL SELECTION

11. IT’S YOUR TURN! Create a concept map to link together the following
words with transition words: (IJ page 49)
THEORY OF EVOLUTION
NATURAL SELECTION
LANDSCAPE
FOOD
PREDATORS
CHARLES DARWIN
VARIATION ADAPTATION

12. Connect the dots…
Complete the chart on page 373 of your textbook on Natural Selection.
Tape this chart onto IJ page 22