unit 9 - ocean life

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Across
  1. 2. a fissure in the ocean floor from which mineral rich superheated water
  2. 3. microscopic aquatic plants
  3. 4. the interaction of multiple food chain
  4. 9. autotropic organism viewed ad a source of biomass that can be consumed by other organisms
  5. 11. the ability of some organisms to create food from chemical reactions rather than from sunlight
  6. 12. an organism requiring complex organic compounds for food which it obtains by preying on other organisms or by eating particles of organic matter
  7. 13. the water portion of the ocean
Down
  1. 1. small floating organisms in the sea
  2. 5. organism that lives in conditions of extreme temperature, acidity or chemical composition such as hydrothermal vents
  3. 6. microscopic aquatic animals
  4. 7. all living organism including plants and animals of a giver community along with nonliving physical environment
  5. 8. any various organisms that return constituents of organic substances to ecological cycles by feeding on and breaking down dead protoplasm
  6. 10. an arrangement of organisms of an ecological community in order of predatation, in which each uses the next lower memeber as a food source