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  1. Hace 3 días · By stotting (also called pronking), a springbok ( Antidorcas marsupialis) signals honestly to predators that it is young, fit, and not worth chasing. Within evolutionary biology, signalling theory is a body of theoretical work examining communication between individuals, both within species and across species.

  2. Hace 4 días · We ran the same models using a reduced dataset, from which we excluded those three full-sib groups, which were not related to any other full-sib family (broods number 14, 26, and 27), in order to reduce the degree to which environmental effects were confounded with the pedigree structure.

  3. Hace 1 día · Sexual selection creates colourful differences between sexes in Goldie's bird-of-paradise.Male above; female below. Painting by John Gerrard Keulemans.. Sexual selection is a mode of natural selection in which members of one biological sex choose mates of the other sex to mate with (intersexual selection), and compete with members of the same sex for access to members of the opposite sex ...

  4. Hace 3 días · The nest is an open cup with a mud base and lined with moss and grass, built in crevice in a rock or man-made site; two to six eggs are laid. Both parents feed the young and usually raise two broods per year. The eastern phoebe is occasionally host to the nest-parasitic brown-headed cowbird ( Molothrus ater ).

  5. Hace 5 días · Broods of Vipers. Anyways. Use this at your own discretion. And, as a bit of advice, when you find yourself getting frustrated, maybe even with some of your heroes, realize that lots of this is passive. This is, as that paper maintains, the culture we swim in. ... And to be honest, I probably do need to work on my abruptness -

  6. Hace 5 días · The rearing material used for the experiment originated from two females (i.e., broods) of distinct populations in Central Germany that are about 200 km apart from each other. ... Tukey's honest significance tests were used to test for pairwise differences among groups. Throughout the results section, ...

  7. entomologytoday.org › 2021/04/20 › broods-clues-new-mapping-approach-puts-cicadasMagicicada septendecim - Entomology Today

    Hace 2 días · Magicicada septendecim. Millions of periodical cicadas are poised to rise from the ground in the east-central United States this summer as part of the massive Brood X emergence. The cicadas in this brood are all three species of 17-year periodical cicadas: Magicicada septendecim (shown here), M. cassini and M. septendecula.