The K-T extinction is thought to have left the way open for mammals to become the next "big thing" in terms of development and evolution. If such a disaster were to happen tomorrow... moreThe K-T extinction is thought to have left the way open for mammals to become the next "big thing" in terms of development and evolution. If such a disaster were to happen tomorrow, what would be the next successful species? Some existing species or some new branch of the tree of life?
