Slide 1 The History of Life on Earth As We Know It Slide 2 The History of Earth Earth is ~ 4.5 billion years old Earth’s history is divided into four eons –Hadean Eon:…
Tr 2, S gy, ge ory atu iver rs, ma syn s a fri th Moreover, traditional living analogues for interpreting the feeding ecology of early ornithischians from their tooth morphology…