Bio, geo, logy

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Across
  1. 1. All the ecosystems in the world make up the _______.
  2. 4. Consumers have forced a shift to more _______ products.
  3. 5. The study of human history and prehistory through the excavation of sites.
  4. 7. A plant that stores nutrients and waters in underground structures.
  5. 8. The handbook broke down the _______ of sewing.
  6. 9. The production of complex molecules within living organisms or cells.
Down
  1. 2. The science of dealing with the nose and its diseases.
  2. 3. The growth of the part of plants in response to the force of gravity.
  3. 4. A variety of plant and animal life in the world or a particular habitat.
  4. 6. The art or science of agriculture.