What did the very first complex vertebrate brain look like? To find out, scientists turned to an unlikely time traveler: the lamprey, a jawless, eel-like fish whose body plan has barely changed in ...

Scientists like to sort living things into groups so they can understand them better. To do this, they use a classification key. This is like a quiz with yes or no questions about what the living ...

Segmentation of the vertebrate body is first established during embryogenesis by the periodic formation of pairs of somites — for example, every 120 minutes in mouse, 90 minutes in chicken and 30 ...

The fossil vertebrate collection at the University of Colorado Museum of Natural History (UCM) was initially built by vertebrate paleontologists in the University of Colorado (CU) Department of ...

The central pattern generator (CPG) networks that generate relatively simple motor outputs are ideal experimental models for circuit analysis. Locomotor CPGs in the ventral spinal cord function ...

Finding information used to be a lot like fishing. You had to hunt in so many different places. And if you didn’t fish in the right place, you wouldn’t catch what you were looking for. But now you can ...

Between eight and 14 feet but can reach up to 23 feet Using this method, scientists discovered Greenland sharks have a life expectancy of at least 272 years and could reach 392, give or take about 120 ...

Your institution does not have access to this book on JSTOR. Try searching on JSTOR for other items related to this book. https://www.jstor.org/stable/jj.16304620.3 ...

The study of the physiology and ecology of animals that don't have backbones, ranging from worms to sea stars, and of parasites, which can often provide insights into complex ecosystems. (Sea star ...