Vertebrates
Vertebrates are animals with backbones. They include bony fish, amphibians, reptiles, birds and mammals (including humans).
Imagine the human backbone as being a vertical brace (vertebrate) holding the body upright.
Vertebrates are animals with backbones. They include bony fish, amphibians, reptiles, birds and mammals (including humans).
Imagine the human backbone as being a vertical brace (vertebrate) holding the body upright.