Unit 3: Ecosystems

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Across
  1. 4. organism which can make its own food
  2. 5. all the organisms of one species
  3. 8. look the same and interbreed to produce fertile offspring
  4. 9. has to eat another organism to gain energy
  5. 11. all the plants and animals
  6. 12. competition between organisms of different species
  7. 13. competition between organisms of the same species
  8. 16. gains energy by eating plants
  9. 17. organism which kills and eats other animals
Down
  1. 1. gains energy by eating animals
  2. 2. the variety of life in an area
  3. 3. where an organism lives
  4. 6. animal which is hunted and killed
  5. 7. eats both plants and animals
  6. 10. the role an organism plays
  7. 14. shows the direction of energy flow in a food web
  8. 15. shows the feeding relationships between organisms