1. Essential Question: How did whales change over time? Investigation Question: How do anatomical and embryological structures show that whales change over time? Investigation 2: Anatomical homologous and vestigial structures are physical examples of common ancestry and natural selection. The adaptations acquired over time are preserved in the animals embryology. Terms: Embryology, Homologous Structures, Vestigial Structures, Adaptation

2. Sequence of Terms Embryology Homologous Structures Vestigial Structures Adaptation Common Ancestor Natural Selection

3. How do anatomical and embryological structures show that whales change over time? EvidenceFocus Question 1 How does homologous structures show that whales change over time? Terms: Homologous Structures, Adaptations

4. How do anatomical and embryological structures show that whales change over time? EvidenceFocus Question 2 How do vestigial structures show that whales change over time? Terms: Vestigial structures, Adaptation

5. How do anatomical and embryological structures show that whales change over time? EvidenceFocus Question 3 How does embryology show that whales change over time? Terms: Embryology, Adaptations Dolphin Embryos

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