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