Across
- 1. organism on the food chain that depends on autotrophs (producers) or other consumers for food, nutrition, and energy
- 4. the process by which water is transferred from the land to the atmosphere by evaporation from the soil and other surfaces and by transpiration from plants.
- 6. the strength and vitality required for sustained physical or mental activity.
- 7. any kind of green plant.
- 11. any liquid or frozen water that forms in the atmosphere and falls to Earth.
- 12. a biological community of interacting organisms and their physical environment
- 13. an area classified according to the species that live in that location.
- 14. 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.
- 15. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
- 18. an organism that mostly eats meat, or the flesh of animals.
- 19. largely carnivores that feed on the primary consumers or herbivores.
Down
- 2. an organism that regularly consumes a variety of material, including plants, animals, algae, and fungi.
- 3. the process that changes liquid water to gaseous water
- 5. A chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight.
- 8. occurs when plants take up liquid water from the soil and release water vapor into the air from their leaves.
- 9. relating to or resulting from living things, especially in their ecological relations.
- 10. an animal that feeds on plants.
- 13. the amount of living material provided by a given area or volume of the earth's surface, whether terrestrial or aquatic.
- 16. make up the second trophic level.
- 17. water which collects as droplets on a cold surface when humid air is in contact with it