In perhaps the best known example, the platypus, the eggs develop in utero for about 28 days, with only about 10 days of external incubation (in contrast to a chicken egg, which spends about one day in tract and 21 days externally).After laying her eggs, the female curls around them.n perhaps the best known example, the platypus, the eggs develop in utero for about 28 days, with only about 10 days of external incubation (in contrast to a chicken egg, which spends about one day in tract and 21 days externally). After laying her eggs, the female curls around them.
Virginia apples are grown in over 100 commercial orchards, totaling more than 16,000 acres of land. Virginia apple growers produce many popular varieties including Red Delicious, Golden Delicious, Rome, Stayman, Gala, Winesap, York, Granny Smith, Jonathan, Fuji and Ginger Gold.
Apples were brought to North America by colonists in the 17th century, and the first apple orchard on the North American continent was planted in Boston by Reverend William Blaxton in 1625. The only apples native to North America are crab apples, which were once called common apples.n 2010, the fruit's genome was decoded as part of research on disease control and selective breeding in apple production. About 80 million tons of apples were grown worldwide in 2013, and China produced almost half of this total.