Hermaphrodites would not be able to optimize to the fulfilling both the male and female roles. Finally, you pointed out that the worms do not inbreed. Inbreeding avoidance does not have to be the cause of the hermaphroditism persisting, if the environment/other factors favour hermaphroditism.
Potatoes come from the ground, the edible tubers on the roots of the potato plant (Solanum tuberosum). They are grown in many parts of the world. The Spanish were the first Eu â¦ ropeans to see potatoes. The tubers were cultivated in South America, in Peru and Chile.
China is now the biggest potato producer, and almost a third of all potatoes is harvested in China and India. Asia and Europe are the world's major potato producing regions, accounting for more than 80 percent of world production in 2007.