amphibian - A cold-blooded animal with slimy skin that lays eggs in water, biologist - A scientist who studies living things, bird - A warm-blooded animal with feathers that lays eggs, class - The level of classification below phylum and above order, classification - The process of grouping things by their similarities, common name - The everyday name of a species in a language such as English, dichotomous key - A chart used to classify things by giving two choices at each step, family - The level of classification below order and above genus, fish - A cold-blooded animal with scales that lays eggs in water, genus - The level of classification below family and above species, kingdom - The highest level of classification for organisms, Linnean classification - The scientific system used worldwide to classify organisms, mammal - A warm-blooded animal with hair that gives birth to live young, order - The level of classification below class and above family, organism - A living thing; something that carries out life processes, phylum - The level of classification below kingdom and above class, reptile - A cold-blooded animal with dry, scaly skin that lays eggs on land, scientific name - The name for a species used by scientists around the world, species - The level of classification below genus,

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