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science revision

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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Question
Answer
why do scientists classify living things?   we classify things because it helps them put them into groups with the same features?  
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list the features of all living things?   movement- respiration-sensitive- growth-reproduction-excretion and nutrients.  
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what is a dichotomous key?   a dichotomous key is to split two parts.  
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describe the features of an organism that was classified as:   an arthropod: head thorax and abdomen and 6 legs. a reptile: back bones scaly skin. and a mammal: hairy and constant body temperature.  
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to which group of vertebrates do each of the following animals belong:   snake:reptiles toad:amphibians goldfish:fish emu:aves-birds shark:fish.  
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Who am i questions:   i have lungs but no legs-snake. i have moist skin but no scales- toad and frog.  
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Created by: cfakhoury
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