was first domesticated from teosinte, a grass native to Mesoamerica. 培养出玉米,也称为玉蜀黍。 Teosinte’s rock-hard seeds were barely edible, 墨西哥类蜀黍的种子跟石头 一样硬,几乎不能吃, but its fibrous husk could be turned into a versatile material. 但它富含纤维的外皮可以被 转制成一种多功...
Nearly 9,000 years ago, corn, also called maize, 近九千年前,人类初次从墨西哥类蜀黍 (一种中部美洲原生的草) was first domesticated from teosinte, a grass native to Mesoamerica. 培养出玉米,也称为玉蜀黍。 Teosinte’s rock-hard seeds were barely edible, 墨西哥类蜀黍的种子跟石头 一样硬,几乎不...
Two of our examples, Corn leafhopper and Western corn rootworm, illustrate how following a host shift to a domesticated host, emergent pests 'hopped' onto crops and rode expansion waves to spread far beyond the geographic ranges of their wild hosts. Western corn rootworm exemplifies how an ...
With the intensification of the greenhouse effect, a series of natural phenomena, such as global warming, are gradually recognized; when the ambient temperature increases to the extent that it causes heat stress in plants, agricultural production will in
How did corn impact the Columbian Exchange?Corn:Corn, which is also called maize, is a type of grass that was first domesticated in Central America. It is usually eaten cooked and can be used for a wide variety of dishes.Answer and Explanation: ...
Dear Cecil: Recently the “I, Claudius” series on public television had an episode where Claudius gains the popularity of the masses by building a harbor to bring more corn to Rome. The Encyclopedia Britannica also refers to this. But wasn’t corn domesticated in the Americas? And weren’t...
was a major stimulus for agricultural settlement. It takes a village to run a brewery or tend a vineyard. We domesticated wild yeast and yeast domesticated us. With the inevitable escape of the fungus from beer vats into bread dough, our marriage with yeast was secured by an appetite for ...
If domesticated dogs have been around since about 12,000 B.C., when did humans begin to practice dog grooming? Did cavemen set up shop in fissures and barter puppy clips? Not likely. The first instance is surely not documented. Maybe it consisted of matted patches of fur cut with a shar...
Conquistadors were introduced to corn (maize) by the indigenous peoples of the Americas. Maize was first domesticated in Mexico, and spread further...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
The phases in ancient Saharan cultures are identified by the names of the domesticated animals that dominated at given times, and collectively these names tell the story of the Saharan ecosystem's transformation from forest to grassland to desert. First was the Hunter period, from...