Energy

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Across
  1. 2. An ecological factor that makes up part of the non-biological environment of an organism.
  2. 5. Photosynthetic organisms that manufacture organic substances using light energy, water, carbon dioxide and mineral ions.
  3. 7. A group of organisms that break down the complex materials in dead organisms into simple ones.
  4. 8. An animal that eats plants and is therefore a primary consumer.
  5. 10. All the living organisms present in an ecosystem at a given time.
  6. 13. Total mass of living material in a specific area at a given time.
  7. 14. Organisms that obtain their energy by feeding on other organisms.
  8. 15. The place where an organism normally lives and which is characterised by physical conditions and the types of other organisms present.
Down
  1. 1. A linear network showing feeding relationships between organisms.
  2. 3. Mass of living material with all water removed.
  3. 4. Each stage in a food chain.
  4. 6. An animal that eats animals and therefore is a secondary consumer or above.
  5. 9. All the living and non living components of a particular area.
  6. 11. An animal that eats both plants and animals.
  7. 12. Many food chains linked together.