The Nutrient Cycle, ecosystems and food chains

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Across
  1. 2. a hierarchy of plants and animals relying on each other for food
  2. 4. contains nutrients as minerals and humus
  3. 5. an organism or plant that is able to absoprb energy from the sun through photsyntesis
  4. 8. living
  5. 9. an organism such as a bacterium or fungus that breaks down dead tissue which effectively releases the nutrients back to the environment
  6. 12. not lving
  7. 13. biome bordering tropics
  8. 14. when soluble chemicals or minerals drain away from soil, or similar material by the action of percolating liquid, especially rainwater.
Down
  1. 1. creature that eats herbivores and or plant matter
  2. 3. the connections between different organisms that rely upon one another as their source of food
  3. 6. a community of plants and animals living together in a habitat.
  4. 7. the total mass of living organisms mainly plants
  5. 10. the organic matter including dead plants and animal material that has fallen on the soil
  6. 11. ring of northern forests of coniferous trees