1. DIRECTIONS Please take out a piece of paper for notes.
Please take your lab sheet from yesterday or get it out. Finish any problems you have left.

2. Evolution and Natural Selection
March 9, 2011
Chapter 5.1 p.324

3. Standards 5.02 Correlate evolutionary theories and processes
Biological
Students will be able to explain evolution and describe the evidence that exists that supports the theory of evolution.

4. What is a scientific theory?
A scientific theory is a way to EXPLAIN observations and scientific findings.
Examples: geocentric theory, evolution, general relativity, cell theory

5. What is evolution?
The theory of evolution is the idea that there has been gradual change in living things over long periods of time.

6. What evidence is there for evolution?
The fossil record shows what life has been on Earth and how that life has changed.
Many organisms have evolved and many have gone extinct.

7. Darwin and Natural Selection
Natural selection is the idea that traits that are beneficial to a species survival will become more widespread.
Example: If giraffes want to survive, they must have longer necks to reach higher into trees to get food.

8. Natural Selection Game
Go to:
Play the game until you are able to get your species to live for 1,000,000 years.