Could Whales And Dolphins Ever Evolve Back To Being Land Mammals?
Could aquatic mammals , such as giant , orcas , and bottlenose dolphins , everevolveto live on landed estate again ? It seems the chances of this are in reality vanishingly pocket-size , as the adaptations that allow them to prosper in the water are more or less irreversible , representing an evolutionary threshold beyond which there can be picayune probability of returning ( to state , that is ) ....