Unit 5 22-32

Question 1

Effects of second agricultural revolution

Answer 1

• better diets
• longer life expectancies
• increase in population
• more people available to work in factories

Question 2

Industrial Revolution

Answer 2

The transformation from an agricultural society to an industrial society with the introduction of power driven machines in manufacturing, mining, transportation, and agriculture

Question 3

Green revolution (3rd agricultural revolution)

Answer 3

High yield seeds (hybrid and/or GMOs), increased use of chemicals, mechanized farming, and elaborate irrigation systems

Question 4

Positive impact

Answer 4

• increase in food supply
• more crops grown on same size land
• improvement in varieties

Question 5

Negative impact (population and enviorment)

Answer 5

• destroying local land and traditional modes of agriculture production
• decreasing biodiversity (hybrid seeds diminish local plant diversity)
• impact of chemicals

Question 6

Subsistence agriculture

Answer 6

Only enough food is cultivated to survive (no surplus to sell) and often land is held in common

Question 7

Commercial agriculture

Answer 7

The production of crops for sale (profit)

Question 8

Monoculture

Answer 8

Growing one crop in a farm system at a given time

Question 9

Mono-cropping

Answer 9

growing one crop in a farm system year after year

Question 10

Multi-cropping

Answer 10

growing several crops in a farm system

Question 11

Bid-rent theory

Answer 11

• theory that shows what various land users are prepared and able to pay for access to the center market (CBD)
• the further from the center market (CBD), the lower cost for a site
• intensive and extensive farming practices are in part by land costs
• extension of the won Thünen model