منابع مشابه
Animal phylogeny
In the Origin of Species, Darwin used the metaphor of a tree to describe the relationship of life; indeed a tree is famously the only illustration in the book. The origin of species didn’t include any explicit phylogeny of animal life, yet Darwin’s book is said to have prompted the German biologist Ernst Haeckel to abandon his medical practice and turn to the study of evolution. In 1866, Haecke...
متن کاملAnimal Phylogeny: Fatal Attraction
MPhylogenetic analyses of hundreds of genes from model animals have placed flies closer to vertebrates than to nematodes; recent work suggests this may be due to an artefact known as long branch attraction.
متن کاملAn even "newer" animal phylogeny.
Metazoa are one of the great monophyletic groups of organisms. They comprise several major groups of organisms readily recognizable based on their anatomy. These major groups include the Bilateria (animals with bilateral symmetry), Cnidaria (jellyfish, corals and other closely related animals), Porifera (sponges), Ctenophores (comb jellies) and a phylum currently made up of a single species, th...
متن کاملPerspectives in Animal Phylogeny and Evolution . —
Animals (=metazoans) have attracted scientists since the early days of biological research, and they have played a major role in our understanding of all biological disciplines from evolution to development. But our understanding of the relationships among animals has changed dramatically in the past 2 decades, and with this our understanding of the evolution and the development of animal organ...
متن کاملAnimal Phylogeny: Back to the Coelomata?
The relationship between vertebrates and the principal model invertebrates - fruitflies and nematodes - is unclear. A fly-nematode grouping was becoming widely accepted, but recent comparisons of their genomes argue against this and link flies with the vertebrates instead.
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ژورنال
عنوان ژورنال: Current Biology
سال: 2006
ISSN: 0960-9822
DOI: 10.1016/j.cub.2006.10.048