The things I know about vertebrates
Hello we just did a graphic organizer on vertebrates and know I will teach you the things I know. Fish: there are 3 different groups of fish, jawless, bony, and cartilage fish. All fish have two chambered hearts. Reptiles: reptiles have tough and dry skin; also there are more than 8,000 species of reptiles. Amphibians: Contains poisonous glands for protection and they also have thin and moist skin with no scales. Birds: A bird has a four chambered heart and there are about 10,000 species of birds. There is only one poisonous bird known in the world that is called hooded pitohui. Mammals: mammals have four chambered hearts and there are 5,400 species of mammals. This is what I know about vertebrates.