Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. When French biologist Jean-Baptiste Lamarck set out to categorize ...

The film discusses the characteristics and classifications of chordates, a group of animals that includes vertebrates and some simpler forms. Key features of chordates include a pharyngeal breathing ...

Scientists have long puzzled over the gap in the fossil record that would explain the evolution of invertebrates to vertebrates. Vertebrates, including fishes, amphibians, reptiles, birds, mammals, ...

Every now and again, scientists discover fossils that are so bizarre they defy classification, their body plans unlike any other living animals or plants. Tullimonstrum (also known as the Tully ...

Gathering vision data for hundreds of vertebrates and invertebrates, University of Arkansas biologists have deepened scientists’ understanding of animal vision, including the colors they see. The ...