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Animal Classification

Classify vertebrates!
a data set by sethdarling
created October 5, 2016
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FAMILY TREE
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CharacteristicAnimal Group
are cold-blooded.reptiles
are cold-blooded.fish
are covered with feathers.birds
are covered with scales or smooth, leathery skin.fish
are covered with scales.reptiles
are warm-blooded.mammals
are cold-blooded.amphibians
are warm-blooded.birds
breathe with gills.fish
breathe with lungs, gills, and/or their skin.amphibians
breathe with lungs.mammals
breathe with lungs.reptiles and birds
give birth to their young and feed them with milk.mammals
have a beak.birds
have fins but no legs or toes.fish
have four legs without claws or nails on toes.amphibians
have four limbs with digits ending in claws, nails, or hooves (except whales).mammals
have hair on at least part of their body.mammals
have hollow bones.birds
have no legs or four legs with clawed toes.reptiles
have smooth skin without coverings.amphibians
have two legs.birds
have two wings used for flying (ostriches and penguins are flightless).birds
lay eggs with a hard shell.birds
lay eggs with leathery shells or give birth to fully-formed young.reptiles
lay eggs without shells in water.fish
lay eggs, usually in a jelly-like mass in water.amphibians
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