Characteristics of subsistence farming include

The characteristics of subsistence farming are: 
- Farmers use primitive tools
- It is practised on small patches of land

1. Land Use 

Traditional farms are very small usually only 1 to 3 hectares. The goods produced on these small farming units is used mainly for comsumption of the family. The comsuption surivival considerations dominate commercial ones. 

2. Income and Level of Living

The income and level of living of the subsistence farmers is mostly below poverty line.

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Answer(apex)  ok i looked up two diff, sites both say the answer is a technological innovation that has allowed people to adapt to living in hot climates, plz check first good luck///