1. Cladograms

2. Evolutionary tree used to  Test hypotheses about evolution  Learn about the characteristics of extinct species and ancestral lineages  Classify organisms

3. 1) Who is more closely related to Elmo?

4. 2)Who is more closely related to Elmo? 3)Who is more closely related to Cookie Monster?

5. 4)Who is more closely related to Grover? 5)Who is more closely related to Cookie Monster?

6. A B C D When did animals begin to have no ears? When did animals begin to have fur? When did animals begin to have eyes above their head? Which node represents the most common ancestor of Grover and Cookie Monster? Who is more related to Cookie Monster, Grover or Elmo? 1 2 3 4

7. CharactersSharkBullfrogKangarooHuman Vertebraexxxx Two Pairs of Limbs xxx Mammary Glands xx Placenta x