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Há 1 dia · Variation under domestication and under nature. Chapter I covers animal husbandry and plant breeding, going back to ancient Egypt. Darwin discusses contemporary opinions on the origins of different breeds under cultivation to argue that many have been produced from common ancestors by selective breeding.
- Charles Darwin
- 1859
Há 1 dia · “The Different Forms of Flowers on Plants of the Same Species” “The Effects of Cross and Self Fertilization in the Vegetable Kingdom” “The Expression of the Emotions in Man and Animals” “The Formation of Vegetable Mould, Through the Action of Worms” “The Variation of Animals and Plants Under Domestication” (Show more)
- Adrian J. Desmond
Há 3 dias · By encapsulating seeds within nutritious pulp, plants take advantage of foraging animals to effectively disseminate their seeds (Schupp et al., 2010). Thus, frugivores can increase plant fitness, and drive the evolution of fruit types (e.g. fleshy fruits) and fleshy-fruit traits (e.g. color) (Lomáscolo et al ., 2010 ; Eriksson, 2016 ; Xiang et al ., 2024 ).
Charles Darwin even wrote about zebroids in his 1868 book "The Variation Of Animals And Plants Under Domestication." It's likely zebroids were bred by colonizers in Africa because they naturally carry more resistance than horses to diseases found only in Africa.
Há 5 dias · Domesticated plants and animals have been (and continue to be) raised at scales ranging from the household to massive commercial operations. This article recognizes the wide range of activities that encompass food production and emphasizes the cultural factors leading to the creation of domesticated organisms.
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Há 2 dias · The variation in the genetic material shows that very few wild stallions contributed to the domestic horse, while many mares were part of early domesticated herds. [147] [161] [162] This is reflected in the difference in genetic variation between the DNA that is passed on along the paternal, or sire line ( Y-chromosome ) versus that passed on along the maternal, or dam line ( mitochondrial DNA ).
