All mammals have warm blood, are vertebrates, breathe with their lungs, have hair or fur on their bodies, and produce milk for their young. But not all mammals give birth to their young in the same manner. Watch a video that explains how...

How do turtle shells form? Scholars explore the evolution of turtle shells and learn about how they form from many different bones before relating the process to cell differentiation in an organism. Pupils also look at different turtle...

Many species find breathing a convenient way to survive. The PBS Eons series explains how fish learned to breathe air. It details what scientists know about evolutionary history as well as many species that developed this skill...

Imagine a reptile the size of a giraffe that flies across oceans. This reptile, quetzalcoatlus, existed, and scientists continue to learn more about this fascinating creature. The video, part of the Eons series, explains where the...

How can we bend a fossil? Junior paleontologists explore the joint movements of extinct species in Brain Scoop's Fossils and Geology series. The narrator works with a paleontology curator to show the experiments performed on the...

What can we learn about the evolution of mammals from a fisher? An engaging video from Brain Scoop's fossils and geology series illustrates the anatomical features of mammals through the dissection of a fisher. Content includes the...

What is the Tully Monster? Introduce your science classes to one of the great mysteries in animal classification with an engaging video from Brain Scoop's playlist on fossils and geology. The narrator examines Tully Monster fossils,...

So many animals, so many characteristics—how do we classify them all? A short tour of taxonomy awaits within a helpful Fuse School video on Evolution. Science scholars see how scientists sort animals into the main classes and what traits...

Not all animals respond to pain the same way. Thanks to the structure of the nervous systems of different living organisms, vertebrates and invertebrates experience nociception—the sensory nervous system's response to pain.  

For every human in the world, there are one million ants! The instructor shows the phylogenetic tree of animals and where they stand compared to other organisms. The video then focuses on vertebrates and invertebrates, exploring what...

Did you know that coelacanths, a living chordate fossil, can live at an ocean depth of 2,300 feet, grow to be 6.5 feet long, and weigh almost 200 pounds? The narrator of a video series on evolution continues his way up the evolutionary...

This time-lapse microphotography of developing embryos shows the common ancestry of all vertebrates. Footage from NOVA: "Odyssey of Life." [4:42]

Created to teach students of the 21st century, SOPHIA is bringing vertebrates straight to your fingertips. Become the commander of your own learning experiences as you take part in this interactive lesson. [1:38]

Listen to the sounds of turtles, snakes, lizards, and other related reptiles.

Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal...

A screencast tutorial which describes the major characteristics of animals with backbones called vertebrates. [1:38]

David Stokes helps us understand differences in animal skulls. [10:42]

A video exploring the characteristic of vertebrates as an animal with backbone. Video investigates what backbones look like and their function. Animals with backbones include fish, amphibians, reptiles, birds, and mammals. [1:33]