Yr7 Ecology and Ecosystems Crossword

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Across
  1. 1. A number of food chains joined together.
  2. 3. The study of the way in which organisms interact with other organisms and with their environment.
  3. 6. The substances that provides nourishment essential for the maintenance of life and for growth.
  4. 13. Capable of being decomposed by bacteria or other living organisms and thereby avoiding pollution.
  5. 17. Animals without backbones eg insects
  6. 19. Community of organisms and their environment.
  7. 21. An organism that consume detritus; that is decomposed plant and/or animal parts of faeces eg worms
  8. 22. An organism that causes ecological or economic harm in a new environment where it is not native.
  9. 23. An organism that generally obtains food by eating other organisms.
  10. 24. A diagram, beginning with a producer that shows what organisms eat.
Down
  1. 2. Living things
  2. 4. An animal that feeds on other animals.
  3. 5. The living parts of an ecosystem.
  4. 7. The pace in which a particular organism lives.
  5. 8. Animals with backbones eg mammals
  6. 9. The non-living parts of an ecosystem.
  7. 10. A destructive insect or other animal that attacks crops, food, livestock, etc.
  8. 11. The living and non-living things that affect organisms in a particular place that is, the surroundings of a living thing.
  9. 12. Avoidance of the depletion of natural resources in order to maintain an ecological balance.
  10. 14. An organism that decomposes organic material.
  11. 15. plants are producers, which make their own food through photosynthesis.
  12. 16. A diagram used to classify things, by grouping them into smaller and smaller groups that are more and more alike, based on choosing one of two features.
  13. 18. A small animal that has six legs and generally one or two pairs of wings.
  14. 20. An animal that feeds on plants.