Circular Phylogeny overlaying a Brown and Green tree atop the words 'Phylotastic Ed.' in green atop the words 'scientific data in your classroom' in dark grey

History of Earth


Explore the relationships between:
Geologic time, Climate, and Biological evolution.

Screenshot of the History of Earth Website


Adresses Next Generation Science Standards:


Click here to visit historyofearth.net

Phylogenies as Models


Phylogenetic trees are models of the relationships among life on earth.

Screenshot of the Phylogenies as Models Website

Adresses Next Generation Science Standards:

Click here to visit the Phylogenies as Models site

Evolution of the Horse


will follow horse evolution across geologic time, linking natural selection, adaptations, and climate and geographic changes

Adresses Next Generation Science Standards: