Across
- 5. key a printed or computer-aided device that aids the identification of biological entities
- 6. an organism that cannot produce its own food and must eat other plants and/or animals to get energy
- 7. feeders and decomposers- Detritivores are the animals which feed on dead remains of plants and animals, and Decomposers are the micro-organisms which secrete digestive enzymes over dead organic matter to convert it into simpler and soluble organic substances.
- 11. a term used to describe how trade and technology have made the world into a more connected and interdependent place.
- 12. resource an energy source that cannot be depleted and are able to supply a continuous source of clean energy
- 13. cycle the continuous circulation of water in the Earth-Atmosphere system
- 14. method a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
- 15. equilibrium both genotype and allele frequencies remain constant from one generation to the next
Down
- 1. the study of the dynamic relationship between humans and the environment
- 2. A form of water, such as rain, snow, or sleet, that condenses from the atmosphere, becomes too heavy to remain suspended, and falls to the Earth's surface.
- 3. an interacting group of various species in a common location
- 4. an organism that creates its own food or energy
- 8. the process that changes liquid water to gaseous water (water vapor)
- 9. cycle a repeating cycle of processes during which nitrogen moves through both living and non-living things
- 10. profile a vertical section of the soil that depicts all of its horizons
