Student with microscope



At Shape of Life we believe PLAY is the best form of science research. We encourage everyone to lift rocks and get messy. A whole world opens up from our curiosity.

Handout Material

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    Our Chordate Family Tree
    Students explore the evolution of the phylum Chordata by constructing a "family tree" -- a diagram of evolutionary traits and animals 

    Full Handout Material

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    Top of the Tree of Life with Species
    Cambrian Explosion
    The Cambrian Explosion was a burst of animal evolution that occurred in the ocean about 540 million years ago.

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    Earth from space
    Cambrian Explosion: A BIG BANG in the Evolution of Animals
    For most of Earth's early history, there simply was no fossil record. Only recently have we come to discover otherwise: Life is virtually as old as the planet itself, and even the most ancient sedimentary rocks have yielded fossilized remains of primitive forms of life.

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