B. Study the figures below and answer the following questions. Human arm and Cat leg
1. Are the same bones found in each organism?
2. Are the bones arranged in similar way in each organism?
3. What could account for the similarities in structures?
4. What could account for the differences?
5. Structures that are similar in form and origin but modified to adapt to different functions are called
6. What function do these structures share? (Refer to the figure below) Bird wing butterfly wing
7. How do these structures differ? 8. Do you think birds and insects have common ancestor? Why or Why not?
9. Structures that are similar in function but have different evolutionary origin are called
10. How does comparative anatomy provide evidence for evolution?​