Page 4 - PPT3
P. 4

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                          Eyes – It helps them to search their food and to stay alert against their predators.


                          Gills – It helps them to breathe oxygen present in water.



                          Mouth – It helps them eat their food.


                          Fins – They have paired and unpaired fins which help them to swim.



                          Tail – it acts as paddles and helps them to change their direction while swimming.
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