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Question
Only one semicircular canal is present in
Only one semicircular canal is present in
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Solution
The correct option is B Hagfish
The jawed animals have three semicircular canals which are mainly statoreceptors which help to maintain the balance. Hagfish has a single semicircular canal which contains both stereocilia and the second class of hair cells, whereas other vertebrates have stereocilia only. Because the inner ear of hagfish has two forms of sensory ampullae, their single semicircular canal is assumed to be a result of two semicircular canals, that have merged into just one.
So, the correct answer is option C.
The jawed animals have three semicircular canals which are mainly statoreceptors which help to maintain the balance. Hagfish has a single semicircular canal which contains both stereocilia and the second class of hair cells, whereas other vertebrates have stereocilia only. Because the inner ear of hagfish has two forms of sensory ampullae, their single semicircular canal is assumed to be a result of two semicircular canals, that have merged into just one.
So, the correct answer is option C.
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