Marine biology

1234567891011121314151617181920
Across
  1. 6. The flexible rubbery stuff in your nose and ears that makes up a sharks whole Skeleton
  2. 7. A type of reproduction where a baby grows right out of the parents side like a branch
  3. 8. A circular body plan that looks the same all the way around like a pie or a wheel
  4. 9. A skeleton that is inside the body covered by muscle and skin
  5. 11. Tough waterproof eggs that allow animals to lay them on land without drying out
  6. 17. A hard suit of armor on the outside of the body
  7. 19. A body that has matching left and right sides like a human or a butterfly
  8. 20. Cold-blooded animals that have to sit in the sun to get warm
Down
  1. 1. An internal balloon that fish inflate or deflate to float at different depths
  2. 2. An animal that has both male and female body parts for making babies
  3. 3. The parts of a mother mammals body that produce milk for her babies
  4. 4. A bell-shaped body that swims around with its mouth facing down like a jellyfish
  5. 5. An animal that has a backbone
  6. 7. Anything that lives on the very bottom of the ocean or a lake
  7. 10. A tube-shaped body that stays stuck to one spot with its mouth facing up like a sea anemone
  8. 12. Warm-blooded animals that create their own body heat from the inside
  9. 13. An animal that does not have a backbone
  10. 14. A special organ that passes food and oxygen from a mother to her baby before it is born
  11. 15. Vascular System A system of water-filled tubes that starfish use to move their feet
  12. 16. shed an old tight shell or skin so the animal has room to grow bigger
  13. 18. A body shape that is irregular and cannot be divided into equal halves