Tree of Life (Fetal Pig) Cladogram

Bailey and Will

First life (3.4 billion years ago)

• Single celled prokaryotes • Bacteria • Achaea

2.3 Billion Years ago

• Eukaryotic Cells (addition of Nucleus) • Protozoan• Algae • mosses

1.5 Billion years ago

• First complex plants form from ancestors of single celled organisms such as algae

• Fungi first appear to Decompose plants

800 million years ago

• Animelia first appear in oceans in the form of sponges, crustaceans, and coral

450 Million Years ago

• Vertebrates such as fish come to play in the early oceans.

390 million years ago

• Lungs first appear out of lung fish• This soon evolves into the first amphibians

320 Million years ago

• Amniotic egg appears with Reptiles

200 Million years ago

• Mammals first appear after the fall of reptiles due to the mass extension of Dinosaurs

35 million years ago

• Pigs first appear from the direct descendants of the first mammals