Unit 6

2. farming that is low input, uses polycultures,small mechanical tools, animal power, and natural fertilizers
4. decline of a fish population by 90% or more
7. growing fish and shellfish in sea pens or tanks
10. methane and nitrous oxide gas
11. widespread food shortage and mass starvation
17. high density farming,concentrated animal feeding operations
18. planting more than one species in a certain area
19. a type of farming that uses forms of sustainable farming and agribusiness
20. the catching of non-target species including juveniles,sharks,turtles,whales/dolphins/seals,even fish of the wrong gender
22. eating more calories than what is needed per day, obesity
23. the main obstacle to obtaining a healthy diet

1. farming that uses machines, monocultures, high input, chemical fertilizers and pesticides
3. when someone gets less then the needed amount of calories (2200) per day for a healthy and productive life
5. loss of arable land to erosion, deforestation,urbanization/industrialization,overgrazing, etc.
6. planting a single crop in a field year after year
8. land that is appropriate for farming
9. introduced new machines, chemicals, and irrigation techniques, increased the yield and lowered the amount of labor
12. planting other plants over areas of field or pasture or field to rebuild the soil
13. grow more than one crop in the same field at the same time
14. tilling land exposes soil to wind and water
15. conversion of productive, arable lands to desert
16. when someone does not get a balanced diet
21. crops that are genetically altered to create faster growth with higher yield, resistant to pests, etc.