17 Revision Quiz

123456789101112131415
Across
  1. 2. The process by which a dead plant or animal gradually breaks down as it is consumed by bacteria and other microbes
  2. 6. Any kind of green plant that make food from sunlight
  3. 9. An animal that obtains its nutrition by eating primary consumers and secondary consumers
  4. 12. Organism that breaks down dead organic material
  5. 13. the presence in or introduction into the environment of a substance which has harmful or poisonous effects.
  6. 14. Any organism that obtain food by feeding on other organisms
  7. 15. The fact or state of being connected or linked with one another
Down
  1. 1. An organism that mostly feeds on plants
  2. 3. The process by which green plants and certain other organisms transform light energy into chemical energy
  3. 4. Relying on something or someone for something
  4. 5. The action of clearing a wide area of trees
  5. 7. An organism that eats plants and animals
  6. 8. An organism that mostly eats meat, or the flesh of animals
  7. 10. Equal distribution of amount
  8. 11. A prolonged period of low rainfall