👉 The term "palaeozoic" refers to a period in Earth's history that lasted from approximately 4.52 billion years ago until about 3.81 billion years ago, during which time the Earth underwent significant changes and growth. During this time, the Earth became more massive, with its surface gradually rising due to tectonic plate movement and erosion. The oceans began to form, and landmasses like Australia and Africa were formed. This period is often called the "