chapter 11

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Across
  1. 4. Areas with water-saturated soil, supporting aquatic and semi-aquatic plants.
  2. 7. The study of the geographic distribution of animal species.
  3. 9. A cold biome with low-growing plants and permafrost.
  4. 11. A plant that lives for multiple growing seasons.
  5. 12. A non-native species that disrupts local ecosystems.
  6. 13. A plant producing seeds without flowers; examples include pine and fir.
  7. 15. A large ecological region defined by its climate, vegetation, and animal life.
  8. 17. A biome with sparse vegetation, adapted to arid conditions.
Down
  1. 1. A plant producing seeds within flowers; examples include oak and maple.
  2. 2. A distinguishing characteristic of plants, allowing them to produce food.
  3. 3. A species introduced to an area where it is not native.
  4. 5. Greater in tropical biomes and lower in polar regions.
  5. 6. A plant that completes its life cycle in one growing season.
  6. 8. A community of living organisms interacting with their physical environment.
  7. 10. An animal without a backbone, such as an insect.
  8. 14. Animals characterized by fur, warm-bloodedness, and milk production.
  9. 16. An animal with a backbone, such as a mammal.