Page 23 - Primary Six Notes
P. 23

Sea mammals











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         Examples                                           r        include;


         Blue whale, Sperm whale,  porpoises and seals











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         Characteristics

          Most sea mammals have fur.

          They don’t have gills but they breathe by means of lungs

          They have a layer of fats under the skin called blubber to

            keep them warm.
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