Cultural Issues and How Food Is Distributed Flashcards
1
Q
Did we really beat famine?
A
- Limited by subsistence, ECC, and technology of individual countries.
- Overuse of Natural Resources (Ecosystem Integrity)
- Loss of biodiversity and habitat destruction
- Surpassing Earth’s Carrying Capacity
- Global Food Supply near breaking point
- > 90% of pop. in developing countries
- unequal power of subsistence and population growth potential
2
Q
A Country’s Ability To Feed Itself Depends on Three Factors:
A
Arable land, accessible water, and population pressures
3
Q
Agriculture the biggest water user
A
Accounts for ca. 70% of all water withdrawals
Water key for increasing food production
Irrigation
4
Q
New Green Revolution
A
Crop enhancement, gene technology New crops Basic Practices Same Crops Promising New Crops Expand Agricultural --> Environmental Costs New Crop Lines New Agricu. practices
5
Q
Major Cereals
A
Wheat, Corn, and Rice
6
Q
Origin Of Wheat
A
Three Ancestor Species, undergone meiosis and make haploid gametes come together to form a new individual
Natural events = no human interaction
Two naturally hybridization events –> sterile hybrids –> polyploidy (chromsome doubling) –> restore fertility