Biodiversity

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Across
  1. 2. Animal that is ectothermic, has scales.
  2. 5. Gill-bearing animal; does not have limbs with digits (fingers).
  3. 6. Technique to group animals.
  4. 8. Mammal that carries young in their pouch.
  5. 12. Relationship between two or more organisms.
  6. 13. Animal with a backbone.
  7. 14. Animal that is ectothermic, undergoesa metamorphosis.
  8. 15. Egg-laying animals; primitive group of mammals.
  9. 16. 'Warm-blooded.' Internal heat regulation.
  10. 17. Ability of ecosystem to remain the same.
  11. 18. A living thing.
Down
  1. 1. Preserving the environment.
  2. 3. 'Cold-blooded.' External heat regulation.
  3. 4. Organisms, their habitats, and processes within these areas.
  4. 7. Animal that is endothermic, has hair.
  5. 9. Animal that is endothermic, feathered.
  6. 10. Describes the variety of life on earth.
  7. 11. Feature of to identify an organism.
  8. 12. Animal that does not have a backbone.