All Things Biology

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Across
  1. 3. a group of organisms of one species that live in the same area
  2. 5. the type of sugar that is created in photosynthesis
  3. 9. carbon dioxide and water being converted into glucose and oxygen
  4. 11. organisms which move nutrients back to the abiotic system
  5. 12. the layer of the air above the earth's surface
  6. 13. needed by many organisms to breathe
Down
  1. 1. organisms that make their own food
  2. 2. all the interacting parts of a biological community and its environment
  3. 4. chemicals needed by organisms to grow
  4. 6. the number and variety of organisms found in an area
  5. 7. green pigment present in all plants
  6. 8. the total mass of organic material in a defined area
  7. 10. the earth's main source of energy