Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...
A new study led by researchers at the University of Arizona suggests that for every recognized vertebrate species, there are, on average, two ...
518-million-year-old fossil reveals vertebrates once had four eyes and extra organs that later shaped evolution.
Hutton, Nicholas, III. 1976. "Origin and Radiation of the Classes of Poikilothermous Vertebrates." In Evolution of brain and behavior in vertebrates. Masterton, R ...
New research from the University of St Andrews has discovered a crucial piece in the puzzle of how all animals with a spine—including all mammals, fish, reptiles and amphibians—evolved. In a paper ...
Charles Darwin proposed that evolution is driven by gradual variations in organisms that have a survival advantage in a changing environment. But University of Maryland evolutionary biologist Karen ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results