1. Essential Question: How did whales change over time
Essential Question: How did whales change over time? Investigation Question: How does DNA show that whales changed over time?
Investigation 1:
The DNA in genes shows change over time. Mutations can cause changes in the physical structures and other random occurrences cause adaptations. DNA can be used to show the common ancestors to demonstrate the process of natural selection.
Terms: DNA, Genes, Mutation, Adaptation, Common Ancestor, Natural selection

2. Sequence of Terms Genes DNA Common Ancestor Mutation Adaptation
Natural Selection

3. How does DNA show that whales changed over time?
Evidence
Focus Question 1
How do mutations occur to create changes in their physical structure?
Terms: DNA, Gene, Mutation

4. How does DNA show that whales changed over time?
Evidence
Focus Question 1
How are genes selected by the environment?
Terms: Genes, Adaptation, Natural selection

5. How does DNA show that whales changed over time?
Evidence
Focus Question 1
How do patterns in the DNA link together common ancestors?
Terms: DNA, Common Ancestor
Toothed Whales
Baleen Whales
Rodhocetus
Basilosaurus
Ambulocetus
Pakicetus
Hippo

6. Exit Slip How does DNA show that whales changed over time?
Write the question and answer in a complete sentence
How does DNA show that whales changed over time?
Claim/Focus questions (HOW):
Evidence (WHY):
Example (Pics and Vids) (WHAT):