Vertebrates are animals that have a spine (backbone) inside their body. Other organisms, like spiders and snails, that don’t have a backbone are called invertebrates. Fran: Here at the farm there are ...

Invertebrates dominate the animal kingdom, making up 97 percent of all creatures. These animals, lacking a backbone, display ...

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, ...

Gathering vision data for hundreds of vertebrates and invertebrates, biologists have deepened scientists' understanding of animal vision, including the colors they see. The researchers determined that ...

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A mysterious 300-million-year-old sea creature, known as the 'Tully monster', definitely did not have a backbone, a new study has claimed. Scientists have been debating the morphology of Tullimonstrum ...

When I was about 7 or 8 years old, my biology-professor dad brought me a present home from work: a jar of sticks. Or at least that’s what I thought it was. When some of them started moving he ...

A new study, led by the University of Vienna and the Alfred Wegener Institute in Bremerhaven, shows how the eyes of adult ...