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The most satisfactory solution that has been advocated (and widely applied) to circumvent all these problems is to use the phylogenetic diversity (the sum of branch lengths), as this captures the sum of unique history of a given clade, or of a given fauna or flora of a region.In comparative biology, timetrees have become essential since we have realized that comparative data are not statistically independent from each other.Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review. To bring you the best content on our sites and applications, Meredith partners with third party advertisers to serve digital ads, including personalized digital ads.
For instance, conservation studies previously used species counts (at best) or higher taxon count (of genera, families...) to assess the biodiversity of various regions), but all these approaches are problematic, to various extents. Was its diversification slow and gradual, or did it occur in bursts (evolutionary radiations), and if so, when were these bursts, and what caused them?Some molecular systematics laboratories now specialize in this task.A relationship scientist draws on psychology research to help you assess your love.Women experience negative effects from the objectification that's common in our society.