There are lots of vertebrates in the animal kingdom. Slide 1 of 5, , Mammals: Lions, humans and dolphins Mammals breathe through their lungs, are warm-blooded, give birth to live babies and have ...

Model vertebrates are extensively studied non-human vertebrates (species with a notochord, or vertebral column) chosen for the ease of investigating particular biological phenomena in areas such ...

these parts of the skeleton can also change independently from one another," says Patrick Tschopp. "That might explain why vertebrates have evolved so many different types of skeletons." ...