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Classifying Animals

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Term
Definition
classify   to put things in groups based on similar characteristics  
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vertebrates   animals with backbones  
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invertebrates   animals that have no backbones or lack internal structure  
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cold-blooded   an animal that must rely on external heat to control their body temperature  
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warm-blooded   an animal whose blood temperature stays constant (the same) regardless of the environment. Can regulate/maintain their own body temperature  
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birds   vertebrates that are warm-blooded and have lungs. They are covered in feathers, most fly, and lay eggs  
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reptiles   vertebrates that have scaly skin, mostly lay eggs, and are cold-blooded. Many live near water, but lay eggs on land  
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amphibians   a vertebrate that begins life in water with gills, but grows to live part of the time on land and breathe with lungs. Lay eggs in water  
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mammals   vertebrates that have complex nervous systems and large brains. They have fur or hair and feed milk to their young  
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fish   vertebrates that are cold-blooded, have gills, and live in water  
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taxonomy   the science of naming and classifying animals  
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dichotomous key   a TOOL used to identify organisms based on contrasting characteristics  
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kingdom   the broadest level of biological classification  
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Created by: CJBailey
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