What Are The Major Events In The History Of Life On Earth?
What Are The Major Events In The History Of Life On Earth? 4600 mya (million years ago) – Planet Earth formed. … 4500 mya – Earth’s core and crust formed. … 4400 mya – The Earth’s first oceans formed. … 3850 mya – The first life appeared on Earth. … 1500 mya – Oxygen began