Yahoo Web Search

Search results

    • Image courtesy of mediastorehouse.com

      mediastorehouse.com

      • Even the specialised sort of eggs laid by birds, with their tough outer membrane, evolved more than 300 million years ago. As for chickens, they came into being much later. They are domesticated animals, so evolved as the result of humans purposefully selecting the least aggressive wild birds and letting them breed.
      www.newscientist.com › question › came-first-chicken-egg
  1. Dec 28, 2021 · The chicken evolution lies in a group of dinosaurs called the theropods, which evolved into two categories some 230 million years ago: the Ceratosauria and the Tetanurae. The Ceratosauria then split again into the ceratosaurids and the coelophysoids.

  2. People also ask

  3. Sep 11, 2023 · Chickens, spanning from their ancient forebears to the varied domestic breeds we recognize today, have undertaken a fascinating journey, influenced by the intricate interplay of natural selection and human-guided selective breeding.

  4. Jan 21, 2021 · Chicken domestication was previously considered to have occurred in the Indus Valley at around 2000 BC 6. However, West and Zhou 7 proposed an earlier origin in Southeast Asia, before the 6000...

    • Ayano Hata, Ayano Hata, Mitsuo Nunome, Thanathip Suwanasopee, Prateep Duengkae, Soontorn Chaiwatana,...
    • 2021
  5. Jun 19, 2021 · The polyphyletic species origin of domestic chicken was corroborated by recent genome-wide studies. Lawal et al. (2020) analyzed the genomes of 53 indigenous village chickens, nine red junglefowl, as well as three other junglefowl species and the common pheasant (Phasianus colchicus).

    • Masaki Eda
    • 10.1093/af/vfab016
    • 2021
    • Anim Front. 2021 May; 11(3): 52-61.
  6. The globe-spanning chicken is an epic story of evolutionary, agricultural and culinary success, outnumbering human beings on the planet by nearly three to one.

  7. Jun 6, 2022 · A new origin story for domesticated chickens starts in rice fields 3,500 years ago. Two studies lay out how the birds went from wild fowl in Southeast Asia to the dinner plate

  8. Feb 29, 2008 · The genes for yellow skin are spread among billions of domesticated chickens around the world. Darwin's studies of domesticated animals were of key importance to his theory of evolution, and he...

  1. People also search for