Biomes & Agriculture

3. The collection of all life forms on Earth including plants and animals.
4. Large-scale farming that uses high technology and chemicals to produce high yields.
5. Geographical coordinates that determine how far North or South you are from the Equator.
7. The height of an object or point in relation to sea level.
9. The sphere consisting of all the Earth's water, including oceans and rivers.
11. The process where heavy rain washes nutrients out of the soil, common in rainforests.
13. A thick layer of soil that remains frozen throughout the year, found in the Tundra.
14. The line of 0 degrees latitude where solar intensity is highest.
15. The artificial application of water to land or soil to help crops grow.

1. Organic or inorganic material added to soil to supply essential nutrients.
2. Land that is suitable for growing crops.
6. The sphere that contains all the air surrounding the Earth.
8. Farming where the primary goal is to grow enough food to feed the farmer's family.
10. The large-scale clearing of trees, often to make room for agriculture.
12. A large area characterised by its climate, soil, and the plants and animals that live there.