Across
- 1. A line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period
- 3. A community of living organisms in conjunction with the nonliving components of their environment, interacting as a system
- 4. relating to or derived from living matter
- 7. The saltiness or amount of salt dissolved in a body of water
- 9. the agricultural practice of growing a single crop, plant, or livestock species, variety, or breed in a field or farming system at a time.
- 10. agriculture conducted on strictly commercial principles and the group of industries dealing with agricultural produce and services required in farming
- 11. The measurement of distance north or south of the Equator. It is measured with 180 imaginary lines that form circles around the Earth east-west, parallel to the Equator.
- 12. the long term pattern of weather conditions in a particular area
Down
- 2. A term used to describe the enormous variety of life on Earth
- 5. The artificial process of applying controlled amounts of water to land to assist in production of crops
- 6. The worldwide sum of all ecosystems, regions of the world with living organisms
- 7. the practice of using natural resources responsibly, so they can support both present and future generations, the capacity to maintain a certain level
- 8. a 100x multiple of the pascal, which is the SI unit for pressure.