
S01E01 The Infinite Variety
This episode explores the variety of nature as a whole, from the South American rainforest's to the shores of Australia.
A look at the evolution of mammals from reptiles 200 million years ago. This remarkable transition involved the development of mechanisms for regulating body temperature, for allowing the young to develop in the womb and for suckling newborns. Attenborough also explores the South American origins of marsupials and their colonization of Australia
The story of life, from the first primitive cells to the plants and animals that now live around us.