Deep History of Life on Earth


The record of life on Earth stretches over 3 billion years. Deep time and Earth history are keys to understanding the present.

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Tips From Teachers

“I have a classroom with computers and enjoy supplementing our activities and lessons with BioInteractive's Click and Learn modules. The Deep History of Life on Earth Click and Learn presents an evenly spaced interactive time scale (marked every 250 million years) that can be explored in detail. It is a huge improvement over printed timescales that either have non-uniform divisions of time, or crowd too much information into the more recent part of the overall timeline. Students choose to click on the embedded videos, watching them because they are interested, rather than just because I assign them.” -- Richard Gelderman, Western Kentucky University, KY

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