祝贺
发表于 2025-3-26 23:19:18
Other boundary conditions for the Laplacian,ears ago. However, an entirely different scenario unfolds among the Viridiplantae: multicellularity evolved several times independently within the green lineage, and genome duplication is the rule rather than the exception and continues to be utilized. The most successful flavor of green multicellul
Spongy-Bone
发表于 2025-3-27 04:09:01
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Estrogen
发表于 2025-3-27 05:44:09
Fossil and Transcriptomic Perspectives on the Origins and Success of Metazoan Multicellularityon of ontogenetically dissected transcriptomes has revealed a genomic signature of the phylotypic stage. This suggests, in combination with the paleontologic pattern, that the phylum-level radiation of the metazoans involved the radiation of the phylotypic stages of the phyla. Further transcriptome
清晰
发表于 2025-3-27 09:37:41
Origin of Metazoan Developmental Toolkits and Their Expression in the Fossil Recordth recent molecular clock results and data on the fossil record reveals long macroevolutionary lags between the origin of the molecular toolkits and their developmental potential, and the origin of crown group morphologies as documented in the fossil record.
发源
发表于 2025-3-27 13:54:09
Choanoflagellates: Perspective on the Origin of Animal Multicellularityt and gene function has revealed that many of the basic mechanisms of cell adhesion, signaling, and differentiation that were previously thought to be unique to animals are also present in choanoflagellates, indicating that these genes were present prior to the evolution of animals. These insights r
全部逛商店
发表于 2025-3-27 21:35:37
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Constituent
发表于 2025-3-28 01:18:24
Evolutionary Transitions in Individuality and Recent Models of Multicellularityaddresses key recurring topics, such as the importance of cooperation and conflict, life history trade-offs, multi-level selection, division of labor and the decoupling of fitness at the level of the group from the level of the cell. Finally, we identify a few areas in which conflicting views or una
禁止
发表于 2025-3-28 04:38:01
The Evolutionary Ecology of Multicellularity: The Volvocine Green Algae as a Case Studyar . and ., a 1–16 celled volvocine alga, at different nutrient concentrations, and measured predation rates on these species using the phagotrophic euglenoid .. Our analyses support the hypothesis that predation was an important selective pressure for the origin of multicellularity, but found no ev
植物群
发表于 2025-3-28 09:17:32
Cells Acting as Lenses: A Possible Role for Light in the Evolution of Morphological Asymmetry in Mullenses and concentrate light from a remote source (e.g., the Sun) into beams, by a combination of standard refractive imaging of transmitted light and diffractive Arago-Poisson imaging of the light surrounding the cells. In the spheroidal multicellular volvocine algae, the peripheral cells facing th
Conserve
发表于 2025-3-28 13:44:13
A Comparative Genomics Perspective on the Origin of Multicellularity and Early Animal Evolutiones. Genomic analyses therefore allow us to infer that all extant animals have descended from an ancestor with a complex genome that encoded a vast majority of the gene content responsible for biological processes in vertebrates. Strikingly, genomes of animals that lack specialized cell types such as