How many species really inhabit our Earth? Estimates soar as high as 8.7 million – and if that number rings true, then we’ve only identified and described 15 percent of our world’s species! At Drexel […]

How many species really inhabit our Earth? Estimates soar as high as 8.7 million – and if that number rings true, then we’ve only identified and described 15 percent of our world’s species! At Drexel […]