Which of these is NOT true about plants that were domesticated early in history
a. most of them produced edible parts with bright colors, so humans could easily distinguish them
b. a dozen of the early domesticates still account for most of the world's agriculture
c. the kernal size of grains often got larger through time
d. tropical species like roots and bananas were domesticated in New Guinea, almost as early as grains were domesticated in the fertile crescent.
e. grains of domesticated cereals stuck to the head rather than falling off like wild grains