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20 Cards in this Set
- Front
- Back
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Describe cartilage fish.
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have skeleton of cartilage, paired fins, cold-blooded, toothlike scales on skin
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What are three examples of cartilage fish?
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sharks, skates, rays
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Describe jawless fish.
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jawless, sucker-shaped mouth, cartilage skeleton, cold-blooded
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Give two examples of jawless fish.
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lampreys, hagfishes
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Give characteristics of bony fish.
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skeleton of bone, gill covers, scales, cold-blooded
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Give three examples of bony fish.
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trout, tuna, flounder
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Describe amphibians.
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most young have gills, most adults have lungs, lay eggs in water or moist ground, cold blooded.
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Give three examples of amphibians.
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frogs, salamanders, toads.
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Describe reptiles.
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dry, scaly skin, egg has tough shell, cold-blooded, well-developed lungs.
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Give three examples of reptiles.
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lizards, turtles, snakes
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Describe birds.
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feathers, wings, hollow bones, warm-blooded
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Give three examples of birds.
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hawk, ostrich, robin
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Describe mammals.
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hair at some point in life, feed milk to young, well-developed brain, warm-blooded.
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Give three examples of mammals.
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bear, kangaroo, whale
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What are vertebrates?
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animals with backbones
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What are chordates?
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the phylum whose members have a notochord, a nerve cord, and slits in their throat area at some point in their lives.
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What is an endoskeleton?
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an internal skeleton
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What is cartilage?
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a flexible strong tissue that is softer than bone
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What is an ectotherm?
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an animal whose body does not produce much internal heat.
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What is an endotherm?
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an animal whose body controls and regulates its temperature by controlling the internal heat it produces.
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