“The central idea of biological evolution is that all life on Earth shares a common ancestor,” according to Understanding Evolution, a joint project of the University of California Museum of ...

or as a part of a discussion on the evidence gathered by Darwin for his theory of evolution. The video asks: 'Can you spot the differences between these finches?' The birds differ in plumage and body ...

Dotted Yet (left) and Oleksii G (right)/ Shutterstock Yes - this is called recurrent evolution. Traits that have emerged many times include a streamlined body shape suited to swimming and the ability ...