Animal Classification Tyla Comino

Vertebrates

Fish Has a backbone Vertebrate Body temperature is not constant Has gills when fully grown

Amphibians Has a backbone Vertebrates Body temperature is not constant Has lungs when fully grown Moist skin with no scales E.g.frog

Reptiles Has a backbone Vertebrates Body temperature is not constant Has lungs when fully grown Scaly skin E.g. crocodile, lizard

Birds Has a backbone Vertebrates Body temperature is constant Has Feathers

Mammals Has a backbone Vertebrates Body temperature is constant No feathers

Invertebrates

Arthropods Has no backbone Invertebrate Legs join with joints E.g. ant, scorpion, butterfly

Echinoderms Has no backbone Invertebrate No legs Body covered with shell or rough spiny skin Soft body usually covered with a shell E.g. Sea urchin

Molluscs Has no backbone Invertebrate No legs Body covered with a shell or rough skin Body covered with a rough skin, spiny skin E.g. Oyster, slug, octopus

Cnidarians Has no backbone Invertebrate No legs Body not covered with a shell or rough spiny skin Has tentacles E.g. Jellyfish, anemone

Worms, Porifera Has no backbone Invertebrate No legs Body not covered with a shell or rough spiny skin Has no tentacles E.g. earthworm, leech E.g. sponge