Sentences with phrase «tree species differences»
Not exact matches
The scientists measured all the small changes in the bones and teeth of 904 placental fossils and mapped the anatomical differences between species on the tree of life.
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The tentacles went just as deep as did the tap roots of other species such that the trees were not trading off structural differences for the ability to seek nutrients and water deep in the soil.
In 1987, you co-authored a paper with Naruya Saitou describing the neighbor - joining method, a novel algorithm for creating evolutionary trees by working backward based on key genetic differences between related species, the idea being the more recently one species diverged from another, the more similar their DNA will be.
To narrow down this time window, Whitfield studied sequences of three genes from 28 species of wasps — some virus - carriers and some not — and used differences among the species to build a family tree.
Partitioning the data to account for possible differences in evolutionary rates among genes (SM4) did not result in a tree more similar to the TENT, but instead in a tree with increased support for monophyletic groupings of species with these broadly shared traits (fig.
They found that conservation payment programs are making a difference in the diversity of tree species in protected spaces.
The different tree species did not show much difference in how many nutrients they removed from the stormwater.
It will be important in future studies to improve both gene and taxon sampling for primate species, to construct separate trees based on mitochondrial and nuclear loci, and to tease apart differences that arise from incomplete lineage sorting versus other types of discordance including introgression and sex - biased dispersal [75]--[77].
To refine this study to specific sites and a specific tree species, soil characteristics between two areas in Montana were then compared to seek possible differences among ponderosa pine forests where tree mortality was recorded between 1998 and 2010.