Mammals diversified only after dinosaur extinction left space

»»Mammals diversified only after dinosaur extinction left space

Humans’ early mammal relatives likely diversified 66 million years ago, after the extinction of dinosaurs opened up space for animals such as big cats, horses, elephants and eventually apes to evolve

By | 2016-11-29T07:44:46+00:00 July 5, 2016|Categories: |Tags: |0 Comments

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