All species alive today, from chimpanzees to bacteria, are cousins that each have equally long lineages, rather than ancestors or descendants of one another.
Articles on Evolutionary tree
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New research shows that placental mammals survived the mass extinction that killed the
dinosaurs.
Given tens of millions of years, wildly improbable events – like primates crossing oceans – are almost a given.
Genetic analysis has traced the evolutionary footsteps of modern humans all the way back to a prehistoric wetland that spanned parts of modern-day Botswana, Namibia and Zimbabwe.
Charles Darwin was one of the first to show connections in the variety of life by using a rough evolutionary tree. Things have developed quite a bit since then.
Scientists have uncovered genes they believe have been passed down from an ancestor organism that all life evolved from.
Top contributors
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Associate Professor, School of Mathematical Sciences, Monash University
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Director of the Centre for Bacterial Cell Biology, Newcastle University
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Senior Lecturer in Paleontology and Evolutionary Biology, Life Sciences at the University of Bath, University of Bath
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PhD student in Palaeobiology, University of Bristol
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Professor, Garvan Institute of Medical Research and, University of Sydney
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Professor of Biological Sciences, University of Maryland, Baltimore County