The History of Life on Earth. The history of life is divided up into eons, eras, periods, and epochs: Formation of the earth 4600 mya Oldest known microfossils.
BIODIVERSITY
GEOLOGIC TIME “HISTORY OF THE EARTH”. LEARNING TARGETS 2a) I can distinguish between eons, eras, periods, and epochs (DOK 1). 2b) I can identify the order.
Reptiles
Vol. 6 (1986), No. 8
Vol. 6 (1986), No. 7
