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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 .
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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