HL 3.1 Earth History, Extinctions and Speciation
In this activity, From the guide… 3.1.15 Earth history extends over a period of 4.5 billion years. Processes that occur over an extended timescale have led to the evolution of life on Earth. Include the role of fossils in explaining the evolution of life over the geological timescale. 3.1.16 Earth history is divided up into geological epochs according to the fossil record. The geological timescale is divided into...