Intro to Ecology - Irene

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Across
  1. 5. All areas on Earth where life exists, including land, water, and air.
  2. 6. An organism that eats only plants.
  3. 7. The process by which plants use sunlight to make food.
  4. 9. The study of how organisms interact with each other and their environment.
  5. 11. The total amount of living matter in a specific area.
  6. 12. A group of organisms that can breed and produce fertile offspring.
  7. 15. An organism that gets energy by eating other organisms.
  8. 17. An organism that eats only animals.
  9. 18. An organism that makes its own food, like plants.
  10. 20. A group of individuals of the same species living in the same area.
  11. 22. Each step in a food chain or web, representing energy flow.
  12. 23. All the populations of different species living together in an area.
Down
  1. 1. The process by which organisms use chemicals to produce food, often in the absence of sunlight.
  2. 2. An organism that eats dead matter and waste.
  3. 3. A community and its non-living environment working together.
  4. 4. A large area with similar climate, plants, and animals (e.g., desert, forest).
  5. 8. An organism that eats plants or other animals for energy.
  6. 10. An organism, like fungi or bacteria, that breaks down dead organisms.
  7. 13. An organism, usually a plant, that creates energy through photosynthesis or chemosynthesis.
  8. 14. A sequence showing how energy flows from one organism to another.
  9. 16. A diagram showing energy or matter distribution in an ecosystem.
  10. 19. A complex network of interconnected food chains.
  11. 21. An organism that eats both plants and animals.