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3. Fish - Coggle Diagram

- - - - Shape of extremity varies.
      - Help fish to swim.
      - Most especies have dorsal, caudal fins and anal fins (odd) and pectoral and ventral (even).
    - - Detects vibration.
      - Help fish to...
        
        locate prey and predators.
        
        orient themselves in the water.
      - Sense organ.
    - - Wider body in the middle than at the ends.
      - This shape enables fish to move faster through the water.
    - - Lower temperature in cold water.
      - Higher temperature in warm water.
      - Body temperature of a fish varies with the environment.
- - - - As a result fish can remain still, rise or sink.