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1.4 use available evidence to describe the changes in a species of grain or animal as a result of domestication and agricultural processes

use available evidence to describe the changes in a species of grain or animal as a result of domestication and agricultural processes

Background
During domestication, livestock decreased in size from the wild varieties to make them less likely to do harm. Plants generally were bred to be bigger and easier to eat. Grain became less likely to be spread by the wind and more likely to stick closely in the heads of the plants so they could be harvested. Wild grain matures at different times but domesticated grain is bred to mature at the same time to make harvesting easier.