Environment

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Across
  1. 4. The gradual increase in Earth’s temperature due to greenhouse gases.
  2. 6. Any harmful change in the air, water, or soil caused by human activity.
  3. 7. A group of living organisms and their physical environment interacting together.
  4. 8. An animal that eats only meat.
Down
  1. 1. The process of converting waste materials into new products.
  2. 2. An animal that eats only plants.
  3. 3. The natural surroundings where an organism lives
  4. 5. A large area of land covered mainly with trees.
  5. 7. A species that no longer exists.