Vertebrates and Invertebrates

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Across
  1. 1. We make a delicious meal, we don not lay eggs on land
  2. 5. I am a Crustacean that has a hard shell and lives in the water
  3. 6. I have colourful wings and I am an insect
  4. 7. I am a rodent who can be your pet
  5. 8. Creature with a soft body and hard shell
  6. 9. I live in both land and water, my fertilization is internal
Down
  1. 2. I have spikes on my back to protect myself from predators
  2. 3. I can live in either water or land, some of us have wings
  3. 4. A Marvel character is named after me
  4. 6. Without me human will not survive