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 ...

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 ...

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, ...

Vertebrates produce diverse proteins from single genes, unlike invertebrates. This protein diversity helps vertebrates develop complex organs and cell types. University of St Andrews research offers ...

Learn how increased protein diversity in signaling genes may have helped drive the shift from invertebrates to vertebrates, reshaping how animals with a spine evolved. From frogs and fish to birds and ...

Even Charles Darwin was puzzled by the evolution of the vertebrate eye. New research suggests that it traces back to a cyclopean invertebrate with a single eye atop the head. By Carl Zimmer Look at ...