The document provides evidence that supports the theory of evolution from four main points: 1) The fossil record shows evolutionary changes and intermediate forms over time. 2) Comparative anatomy finds that closely related species share homologous structures, such as mammals sharing the same basic bone structure in their forelimbs. 3) Vestigial structures are body parts that have lost their primary function, providing evidence that structures once had a use. 4) Comparative embryology notes that in early stages, embryos of different animal species look similar, suggesting common ancestry.

1. Evidence for Evolution (pg 4)

2. Evidence for Evolution (pg 4)
1. Fossil record: Fossils show evolutionary
changes and intermediate forms

3. 2. Comparative Anatomy: Species that are
closely related share homologous structures

4. 2. Comparative Anatomy: Species that are
closely related share homologous structures
• Example: The forelimbs of mammals all share
the same basic bone structure

5. 2. Comparative Anatomy: Species that are
closely related share homologous structures
• Example: The forelimbs of mammals all share
the same basic bone structure

6. 2. Comparative Anatomy: Species that are
closely related share homologous structures
• Example: The forelimbs of mammals all share
the same basic bone structure

7. Worksheet

8. 3. Vestigial structures = body structuresthat
have lost their primary function

9. 3. Vestigial structures = body structuresthat
have lost their primary function
Example: Hind limbs in whales and snakes

10. 3. Vestigial structures = body structuresthat
have lost their primary function
Example: Hind limbs in whales and snakes
Human Examples: Appendix, Tailbone, Goose
bumps

12. Diagram (pg 5)

13. 4. Comparative Embryology: In early stages, all
animal embryos look alike, suggesting
common ancestry

14. 4. Comparative Embryology: In early stages, all
animal embryos look alike, suggesting
common ancestry
Example: Young human embryos have gill slits
and a tail