Across
- 1. an organism that mostly feeds on plants.
- 3. an organism that produces organic compounds from simple substances such as water and carbon dioxide
- 7. a class of organisms that obtain their energy through the oxidation of inorganic molecules, such as iron and magnesium
- 8. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
- 12. the process of turning from liquid into vapor.
- 13. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon
- 14. the exhalation of water vapor through the stomata.
- 17. an organism that mostly eats meat, or the flesh of animals.
- 18. relating to or resulting from living things, especially in their ecological relations.
- 19. the total quantity or weight of organisms in a given area.
Down
- 2. a biological community of interacting organisms and their physical environment.
- 4. When an organism excretes waste or dies, the nitrogen in its tissues is in the form of organic nitrogen
- 5. a measure of economic performance that compares the amount of goods and services produced (output) with the amount of inputs used to produce those goods and services
- 6. They are small, microscopic plants that live in the ocean. There are a few different kinds, such as diatoms, dinoflagellates, and cyanobacteria.
- 9. The capacity or power to do work.
- 10. water which collects as droplets on a cold surface when humid air is in contact with it.
- 11. a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
- 13. water or the amount of water that falls to the earth as hail, mist, rain, sleet, or snow.
- 15. devoid of life
- 16. animals that get their energy by eating plants or other animals.