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CLASSIFICATION Every living thing may be placed into one of two groups :-
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CLASSIFICATION © T.P.THOULD
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VERTEBRATES Animals that have vertebrae - a backbone, a spine
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INVERTEBRATES Have no backbone - no vertebrae, no spine
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FLOWERING Have flowers which may be brightly coloured or dull. The flowers make the seeds.
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NON-FLOWERING Do not make flowers but have cones, spores or some other way to reproduce
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ANIMALS VertebratesInvertebrates Cat elephant Worm slug List some examples of each type of animal
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PLANTS FloweringNon-flowering List some examples of each type of plant
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BY NOW YOU SHOULD KNOW….. That all living things can be split up into two groups That all animals can be split up into two groups That all plants can be split up into two groups
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CLASSIFICATION SUMMARY
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VERTEBRATE GROUPS
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INVERTEBRATE GROUPS
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FLOWERING GROUPS
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NON-FLOWERING GROUPS
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GROUP CHARACTERISTICS Mammals Vertebrates Warm blooded Have hair or fur Young are born live not in an egg Mothers feed young on milk from special glands
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BIRDS Vertebrates Warm Blooded Have feathers Lay hard-shelled eggs
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FISH Vertebrates Cold Blooded Scales cover their body Live in water Have Gills to breathe Have fins
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REPTILES Vertebrates Cold Blooded Dry Scales cover the body Lay eggs with tough leathery shell
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AMPHIBIANS Vertebrates Cold Blooded Have lungs Smooth moist skin Lay eggs in water Live on land and in water
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What other groups are there?
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A DICHOTOMOUS KEY Used to identify Plants or Animals by answering a series of questions about what they look like, each of which have a choice of two answers - DICHOTOMOUS = Two choices ALWAYS START AT QUESTION ONE EVERYTIME
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Imagine that you do not know the names of the above animals. Use the Dichotomous Key to identify them:- Q1Is it mainly black?……………If yes go to Q2 …………….If no go to Q3 Q2Does it have six legs?…………If yes = Black Ant ………….If no = Collie Dog Q3Does it have wings?…………..If yes = Butterfly …………...If no = Grayling AB CD
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A B C D E F Q1Is it mainly green?……………….If yes go to Q2 …………...….If no go to Q3 Q2Does it have six legs?………...….If yes = Grasshopper ……...….If no Frog Q3Does it have wings?……………..If yes = Go to Q4 …………...If no = Go to 5 Q4Is it black?……………………....If yes = Swift …………………If no = Ladybird Q5Does it have legs & pincer……..If yes = Crab ………..If no = Snake
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Try writing your own Dichotomous Key Q1 AB CD
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