Easy

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Across
  1. 1. Vertebrate that lives both in water and on land.
  2. 4. Cold-blooded vertebrate with scales and eggs.
  3. 5. The natural environment where an organism, species, or group of species lives.
  4. 6. Species native and restricted to a specific area.
  5. 11. Active mainly during the night.
Down
  1. 2. Warm-blooded vertebrate with hair and mammary glands.
  2. 3. Animal that primarily eats plants.
  3. 7. Animal that primarily eats meat.
  4. 8. Animal that hunts and feeds on others.
  5. 9. Relating to birds, characterized by feathers and beaks.
  6. 10. Variety of life forms within a habitat or ecosystem.