[sheebParticipant]

this one is even better

http://www.geologyin.com/2015/03/epoch-defining-study-pinpoints-when.html

[sheebParticipant]

Thank you so much for this video…..

The link for geologic timeline related to lifeforms doesn’t work….

but here is one that is pretty and kid friendly:

https://www.sciencenewsforstudents.org/atom/6000

• This reply was modified 5 years, 1 month ago by  sheeb.

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