Books et al.Evolution

What Led to Metazoa's Big Bang?

Science  07 Jun 2013:
Vol. 340, Issue 6137, pp. 1170-1171
DOI: 10.1126/science.1237431

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Summary

Erwin and Valentine explore the roles that changes in the physical environment, ecological relationships, and developmental systems—as well as interactions among the three elements—played in the Cambrian explosion.