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15 Cards in this Set
- Front
- Back
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moist warm habitats, smooth skin to allow gas exchange, ectothermic, 3 chamber, eggs laid in water without shells |
amphibians |
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2 chamber, adapted to water, gills, scales, fins |
fish |
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4 chamber, feathers, beaks reduce weight, thin bones to fly, endothermic, |
birds |
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3 chamber, thick scaly skin to prevent water loss, amniotic egg, internal fertilization, limbs under body |
reptiles |
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4 chamber, endothermic, diaphragm |
mammals |
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ectothermic |
amphibians |
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endothermic |
birds, mammals |
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smooth skin allows for gas exchange |
amphibians |
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thick scaly skin to prevent water loss |
reptiles |
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Eggs laid in water without shells |
amphibians |
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3 chambered heart |
amphibians & reptiles |
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4 chambered heart |
Birds & mammals |
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internal fertilization |
reptiles |
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amniotic egg |
reptiles |
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limbs under body |
reptiles |
