Patterns of biological evolution during the Phanerozoic Era.
Reviews patterns of biological evolution during the Phanerozoic Eon.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
It's hard to grasp the amount of time that makes up Earth history, but it's easier to grasp if we divide it into a 24 hour day.
A timeline detailing the history of Earth since life first appeared.