our planet

How Many Species Are There on Earth and in the Ocean? Camilo Mora 1,2 *, Derek P. Tittensor 1,3,4 , Sina Adl 1 , Alastair G. B. Simpson 1 , Boris Worm 1 1Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada, 2Department of Geography, University of Hawaii, Honolulu, Hawaii...