Across
- 4. an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. Compare with heterotroph
- 7. a person, company, or country that makes, grows, or supplies goods or commodities for sale:
- 8. the sport or activity of riding a bicycle. Bicycle racing has three main forms: road racing (typically over long distances), track racing (on an oval track), and cyclocross (over rough, open country).
- 9. an animal that feeds on plants:
- 12. an organism deriving its nutritional requirements from complex organic substances. Compare with autotroph
- 13. Feeds on primary producers (plants or algae)
- 15. a group of people living in the same place or having a particular characteristic in common:
- 16. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct:
- 18. relating to or resulting from living things, especially in their ecological relations
- 19. a person who purchases goods and services for personal use:
- 20. physical rather than biological; not derived from living organisms:
Down
- 1. a substance that provides nourishment essential for growth and the maintenance of life:
- 2. a biological community of interacting organisms and their physical environment:
- 3. all the inhabitants of a particular town, area, or country:
- 5. an animal that feeds on flesh:
- 6. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
- 10. the action of returning something to a former owner, place, or condition:
- 11. an animal which feeds on dead organic material, especially plant detritus.
- 14. plankton consisting of microscopic plants.
- 17. the synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight. Compare with photosynthesis