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Answer to Question #61404 in Other Biology for bbb

Question #61404
19 Which of these may not be an adaptive feature of the arthropods?
possession of exoskeleton
webbed feet
jointed limbs
pecialised digestive system

20 The phylum echinodermata include all of the following except
sea crab
sea urchins
sea-lilies
star fish
Expert's answer
19.webbed feet -arthropods do not have feet
20. sea crab - it is an arthropod

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