What is the key characteristic of subsistence farmers? 

A)  they tend to cause severe deforestation 
B)  they grow only enough food to feed their families 
C)  they require large, flat fields in grassland areas 
D)  they use draft animals to pull plows

Subsistence Farmers

Farmers who grow food crops to meet the needs of themselves and their families, with little or no surplus for trade.

Severe Deforestation

The widespread and rapid removal or destruction of forests at an alarming rate, leading to ecological imbalance.

Draft Animals

Animals that are trained and used for heavy physical work, such as plowing fields and pulling carts.