Phylogenetic trees are fractal in the sense that the same ... For instance, if you are told that mammals share a more recent common ancestor with lizards than with sharks, and if "mammals" refers ...

They also used age estimates for numerous fossil mammals to calibrate their time tree. "We need to have calibrations to input into the analysis so that we know, for example, that elephants and ...

It is generally accepted that the tree of life for mammals was ... varying hypotheses on the divergent times and phylogenetic relationships of Mammalia and its subgroups (Fig.

in mammals it is more likely to be mediated by smells. “It’s there, but we don’t see it. We only saw it in lizards because of their bright colors,” he said. The researchers analyzed the phylogenetic ...

To determine where Mixodectes pungens fits on the evolutionary tree, the research team conducted two phylogenetic analyses ... information about how ancient mammals diversified to fill newly ...

A Feature Frequency Profile comparison of mammalian genomes produces the same phylogenetic tree whether using whole genomes or just introns, which supposedly carry no genetic information.

But mammals, it seems, don’t tend to have ... “Are these species all found on one part of the mammalian phylogenetic tree? Certainly not,” said Tim Caro, a professor of evolutionary ecology ...

Mixodectes was quite large for a tree-dwelling mammal in North America during the early Paleocene ... the researchers noted. Two phylogenetic analyses performed to clarify the species’ evolutionary ...

The introduction of invasive species leads to a decline in certain native species: a team of researchers has managed to show that 11% of the global phylogenetic diversity of birds and mammals ...

Relative change in body mass per Myr, indicating increase in body mass in semi-aquatic and fully aquatic mammals: (a) without hyperprior on µ 0; (b) adding hyperprior on µ 0.Colored silhouettes ...