Unit 4 (10,11,12) Flashcards
Crop
Any plant cultivatef by people
Characteristics of hunter gather society
Hunting fishing (men) gathering plants (women) small pops., travel often for food, stay clear of each other’s territory
How many hunter gatherers today
Quarter million
Where do current hunter gatherers live
Austrailia’s great victorian desert, botswana and nambia, india’s andaman islands
Ag. Revolution:
Time when humans first domesticated plants and animals and no longer relied entirely on hunting amd gathering
Sibsistence ag.
Farming for consumption if own fam bam
Commercial ag
Farming mainly for sale off the farm
Ag rev. Started bc of…(2)
Environmental factors: climate change started@ same time-end of ice age
Cultural factors: all bc of humans- discovered dropped seeds=plants, went from accidental to deliberate farming
Name crop hearths:
Latin Am, SW Asia, Sub-Sahar. Africa, E Asia, SE Asia
SW Asia crop and animal hearths
Barley/Wheat/Lentil/Olive -10,000years ago
Cattle- goats pigs sheep 8,000-9,000years ago
Latin Am crop hearths
Beans/Cotton/Potato 4,000-5,000 years ago
E Asia crop hearths
Rice/Soybeans/walnuts +10,000 yrs. ago
SE Asia crop hearths
Mango/taro
Sub Saharan Africa crop hearths
Sorghum/Yams 8,000 yrs. ago
3 features that distinguish commercial and subsitence ag
% of farmers in labor force
Use of machinery
Farm size
MDCS vs. LDCS
3 features that distinguish commercial vs subsitence ag
% of farmers in labor force -mdcs=few farmers -ldcs=lots of farmers bc most are subsistence Use of machinery -mdcs=lots of it ex herbcides etc -ldcs=mainly hand tools and animal or human power Farm size -mdcs=large farm bc lots o machinery -ldcs=smaller size bc not mechanized
Food security:
Physical social and economical access at all times to nutricious foods that meet dietary needs and for preferances for active and healthy life
Fraction of world with no food security
1/8
Undernourishment
Dietary energy consumption that is continuously below min. requirement for having healthy life with exercise
How many undernourished people in world and where
870 million
India china SS Africa S Asia
Cereal grain
A grass that yields grain for food
Grain:
Seed from a cereal grass
Main grain eaten in mdcs and ldcs
WHEAT
Leading crop in world
MAIZE