Chordata

• Class Agnatha - Jawless fishes
• Class Agatha - Parasites or scavengers fishes (lamprey, hagfish)
• Class Amphibia - are animals that can live on land or in water
• Class Amphibia -Have backbone, Cold-blooded, born with gills, layer develops lungs
• Class Amphibia - Need a moist place to live & Can breath air through their skin
• Class Amphibia - Externally fertilize their eggs & Eat meat
• Class Amphibia - Grow legs when they mature (Frogs, toads, salamanders, newts, and caecilians (wormlike animals), sirens)
• Class Aves - Are adapted to fly
• Class Aves - Birds are warm-blooded animals
• Class Aves - Forelimbs are modified into wings
• Class Aves - Hind limbs are adapted for walking, hopping, perching, grasping, wading, and swimmin
• Class Aves - Egg layers (Parrots, chicken ducks, goose, kingfishers, pelicans, ostriches, hawks, eagles, owls.)
• Class Chondrites - A class of fishes that includes those with cartilaginous skeletons
• Class Chorondrites - Species in this class have paired fins, hard scales, a two-chambered heart, and a pair of nostrils.
• Class chondrichthyes -Some species produce egg cases, others give birth to live young (Rays, sharks, skates, chimeras)
• Class Osteichthyes - A class of fishes that includes those with a bony skeleton (Greek: Osteon - bone & Ikhthus - fis)
• Class Reptilia - These are creeping and burrowing terrestrial animals with scales on their body
• • Class Mammalia - is a vertebrae animal (Latin: Mamma - breast)
• Class Reptilia - They are cold-blooded animals found in most warmer regions of the world
• Class Osteichthyes - Some with scales, Mouth with many teeth (some toothless), Jaw present
• Class Reptilia - Their skin is dry and rough without any glands
• Class Mammalia - Warm-blooded animals With more or less hairs or fur
• Class Mammalia - With mammary gland used to suckle young with milk/help produce milk to feed their younger ones
• Class Mammalia - Sweat glands & Three middle earbones
• Class Mammalia - Most dominant forms of animals found in almost all types of habitat
• Class Mammalia - With a neocortex region in the brain, which specializes in learning and seeing
• Class Mammalia - With four chambered hearts & With specialized teeth (Mammals include; rats, cats, dogs, deer, monkeys, apes, bats, whales, dolphins, and humans, cows, lions, rodents)
• Class Reptilia - The body is divided into head, neck, and trunk, tail
• Class Reptilia - The body is divided into head, neck, and trunk, tail
• Class Osteichthyes - Respiration with gills supported by bony gills arches and covered by operculum
• • Class Osteichthyes - Includes a diverse group of macro and fresh-water bony fishes (Lungfish, salmon, clownfish, eels.)
• Class Reptilia - Creature that either have 4 limbs (Turtles, crocodiles, snakes, lizards, geckos, chameleons, bearded dragons, Gila monsters, tuatara, tortoises, boa,  iguana, alligator, skink)
• Class Osteichthyes - Respiration with gills supported by bony gills arches and covered by operculum