1. Tree of Life (Fetal Pig) Cladogram Bailey and Will

2. First life (3.4 billion years ago) Single celled prokaryotes Bacteria Achaea

3. 2.3 Billion Years ago Eukaryotic Cells (addition of Nucleus) Protozoan Algae mosses

4. 1.5 Billion years ago First complex plants form from ancestors of single celled organisms such as algae Fungi first appear to Decompose plants

5. 800 million years ago Animelia first appear in oceans in the form of sponges, crustaceans, and coral

6. 450 Million Years ago Vertebrates such as fish come to play in the early oceans.

7. 390 million years ago Lungs first appear out of lung fish This soon evolves into the first amphibians

8. 320 Million years ago Amniotic egg appears with Reptiles

9. 200 Million years ago Mammals first appear after the fall of reptiles due to the mass extension of Dinosaurs

10. 35 million years ago Pigs first appear from the direct descendants of the first mammals