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October 21-25, 2013

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
kingdom   The largest grouping of organisms in scientific classification  
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invertebrate   Animals without spines  
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vertebrate   Animals with spines  
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exoskeleton   an outer covering that protects an animals soft parts inside  
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endoskeleton   an internal or inside skeleton made of bones and cartilage  
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mammal   a vertebrate, is warm-blooded, has hair or fur, breathes with lungs, lives on land or water, gives birth to live young, feeds milk to its young  
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bird   a vertebrate, is warm-blooded, has feathers, wings, and usually hollow bones, breathes with lungs, lays eggs with hard outer shell  
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reptile   a vertebrate, is cold-blooded, has dry leather skin or scales, breathes with lungs, lives on land or water, most lay eggs with leathery shell  
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amphibian   a vertebrate, is cold-blooded, has smooth moist skin, breathes with gills and lives in water when young, breathes with lungs and lives on land as an adult, most lay jelly-like eggs with no shells  
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fish   a vertebrate, is cold-blooded, has scales or rough skin and fins, breathes with gills and lives in water entire life, most lay jelly-like eggs with no shells  
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insect   an invertebrate, with an adult body that has well-defined segments, including a head, thorax, abdomen, 2 antennae, 3 pairs of legs, and usually 2 sets of wings  
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Created by: sillyname396
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