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In the domesticated varieties, due to selective pressures during domestication, the testas are less than 20 microns thick; the testas of wild chenopods are 40 to 60 microns thick. [ 6 ] [ 27 ] This morphological characteristic is shared by the modern cultivated chenopod C. b. subsp . nuttalliae and the archaeological specimens of C. b. ssp ...
Domestication has been defined as "a sustained multi-generational, mutualistic relationship in which one organism assumes a significant degree of influence over the reproduction and care of another organism in order to secure a more predictable supply of a resource of interest, and through which the partner organism gains advantage over individuals that remain outside this relationship ...
It was first used to feed livestock 5,200–7,000 years ago, and for human consumption 3,000–4,000 years ago in the Lake Titicaca basin of Peru and Bolivia. [8] The plant thrives at high elevations and produces seeds that are rich in protein. [9] Almost all production in the Andean region is done by small farms and associations.
Brown rice and quinoa are both healthy whole grains. But one provides more protein, fiber and healthy fats. Dietitians weigh in on brown rice vs. quinoa.
De novo domestication refers to the process by which wild species are intentionally transformed into domesticated varieties. [1] The majority of domesticated species has been under domestication for millenia, with the first animal, the dog, having been under domestication for between 40,000-30,000 years, and the first plants since the start of the Neolithic Revolution, approximately 12,000 ...
This map shows the sites of domestication for a number of crop plants. Places, where crops were initially domesticated, are called centers of origin. This is a list of plants that have been domesticated by humans. The list includes individual plant species identified by their common names as well as larger formal and informal botanical ...
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The earliest cultivated plant in North America is the bottle gourd, remains of which have been excavated at Little Salt Spring, Florida dating to 8000 BCE. [7] Squash (Cucurbita pepo var. ozarkana) is considered to be one of the first domesticated plants in the Eastern Woodlands, having been found in the region about 5000 BCE, though possibly not domesticated in the region until about 1000 BCE.