Food Chains and Food Webs

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Across
  1. 3. a graphical portrayal of biomass present in a unit of the territory of different trophic levels
  2. 5. position in the food chain
  3. 7. animal that doesn't produce its own food but feeds on the nutrients from other organic carbon
  4. 8. an organism that feeds on both plants and meat
  5. 9. the exchange of oxygen and carbon dioxide
  6. 11. an animal that is being hunted by another animal
  7. 12. association between organisms of two different species in which each benefits
  8. 15. gram-negative, facultative anaerobic, rod-shaped, coliform bacterium that is found in the low intestine of warm animals
  9. 16. An order that shows which organism eats something
  10. 17. The organelle where photosynthesis occurs
  11. 19. multiple food chains put together
Down
  1. 1. an association between two organisms in which one benefits and the other derives neither benefit nor harm
  2. 2. A plant that produces its own food
  3. 4. an antibiotic that treats infections caused by disease
  4. 6. how a plant breathes
  5. 10. something that produces its own food
  6. 13. organisms that are too small to be seen without using a microscope
  7. 14. something that only eats plants
  8. 18. an animal that hunts