Natural World

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Across
  1. 4. An animal that sleeps through the winter
  2. 5. The largest mammal on Earth
  3. 6. A forest with heavy rainfall and tall trees
  4. 9. Man's best friend
  5. 10. A lizard that can change its color
  6. 12. A cold habitat where polar bears live
  7. 13. Green part of a plant that performs photosynthesis
Down
  1. 1. A desert plant with sharp spines
  2. 2. The gas that plants absorb during photosynthesis
  3. 3. The process where water turns into vapor
  4. 7. A slow-moving animal with a hard shell
  5. 8. The highest mountain on Earth
  6. 11. A sudden shaking of the ground