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What is Classification?
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Classification is… scientists use classification to group animals and plants according to their similarities and differences.
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How do scientists classify animals?
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Animals Vertebrates – animals with a backbone. Invertebrates – animals without a backbone.
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Animals Vertebrates Mammals Reptiles Invertebrates Birds Amphibians Fish
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Feed milk to their young Bear live young
Mammals Have hair or fur Are warm-blooded Feed milk to their young Bear live young
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Have feathers Are warm-blooded Have hollow bones Most can fly Lay eggs
Birds Have feathers Are warm-blooded Have hollow bones Most can fly Lay eggs
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Reptiles Have scales Live on land Are cold-blooded Usually lay eggs
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Live in water and on land Are cold-blooded Have smooth skin Lay eggs
Amphibians Live in water and on land Are cold-blooded Have smooth skin Lay eggs
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Fish Are cold-blooded Have gills and scales Live in water
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What About Plants?
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Vascular – a plant that has a root system to move water and nutrients.
Plants Vascular – a plant that has a root system to move water and nutrients. Nonvascular – a plant that absorbs water and nutrients directly from the place on which they grow.
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Plants Vascular Nonvascular Reproduce using seeds
Reproduce using spores Nonvascular
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Plants Vascular Reproduce using seeds Reproduce using spores Nonvascular flowering Nonflowering
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