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Há 5 dias · “On the Tendency of Varieties to Depart Indefinitely from the Original Type” (read July 1st, 1858). Journal of the Proceedings of the Linnean Society. Zoology 3 , 53–62.
Há 6 dias · Lyell and Hooker agreed that a joint publication putting together Wallace's pages with extracts from Darwin's 1844 Essay and his 1857 letter to Gray should be presented at the Linnean Society, and on 1 July 1858, the papers entitled On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection, by Wallace and Darwin respectively ...
- Charles Darwin
- 1859
29 de mai. de 2024 · Research efforts on genomic structure and ecology of wild populations of Vitis vinifera L. offer insights on grape domestication processes and on the assortment evolution of the cultivated forms.
Now, every organic being, by propagating so rapidly, may be said to be striving its utmost to increase in numbers. So it will be with the offspring of any species after it has become diversified into varieties, or subspecies, or true species.
Há 3 dias · Wallace's paper was titled: On the Tendency of Varieties to Depart Indefinitely from the Original Type It included statements like: The life of wild animals is a struggle for existence [in which] the weakest and least perfectly organized must always succumb He talked about antelope with longer legs being better able to escape predators, etc. The best adapted as a result of small differences ...
10 de mai. de 2024 · Tea, beverage produced by seeping in freshly boiled water the young leaves and leaf buds of the tea plant, Camellia sinensis. Two main varieties are used, the China plant (C. sinensis variety sinensis) and the Assam plant (C. sinensis variety assamica). Hybrids of these varieties are also grown.
Há 6 dias · Alfred Russel Wallace was born on 8th January 1823 in the village of Llanbadoc, in Monmouthshire, Wales. He explored the Rio Negra for four years, making notes on the peoples and languages he encountered as well as the geography, flora, and fauna.
