Fish have adapted to live in the water

Peatüki alateemad:

  1. Fish have adapted to live in the water
  2. There is a wide variety of fish in the world
  3. What is the external structure of fish?
  4. The skin of fish is covered in scales
  5. A swim bladder helps maintain the right depth in the water
  6. The colour of a fish is related to their habitat
  7. The body type of a fish often reflects their way of life
  8. Test or research 
  9. Cartilaginous fish
  10. Jawless fish
  11. Questions and tasks
  12. Important terms