Inner Nature: Shapes of animal bodies

By Vidya Rajan, Columnist, The Times The study of animal form and function is both illuminating and fascinating, panning from simple to complex forms. The morphing started 750-odd million years ago. At this time, the Earth was not young by any means! It was already about 3.5 billion years old (80% of its age today, which is about 4.3 billion years old) and populated by cyanobacterial mats, and single-celled...