Sentence examples for selection exerted from inspiring English sources

Selection exerted by red squirrels drives the evolution of cone structure, and crossbills adapt to the average cone.

The obvious explanation was that increased thickness of the distal scales was an evolutionary response to selection exerted by crossbills.

Host genotypes decline when common and increase when rare due to negative frequency-dependent selection exerted by the coevolving parasite population.

We have found similar evidence for evolution in response to selection exerted by crossbills in most of the conifers that crossbills are specialized upon (Benkman et al. in press).

Although I suspected that selection exerted on cones by red squirrels had contributed greatly to the evolution of other conifers including black spruce, I still had no evidence that crossbills have an evolutionary effect on conifer cones.

Chris Smith had provided compelling evidence that red squirrels coevolved with Rocky Mountain lodgepole pine and that many of its cone traits were related to selection exerted by red squirrels (Smith 1970).

Thus, natural selection exerts no pressure on their preferences related to partner choice.

On the other hand, genome size, G + C content and tRNA gene number are all significantly associated with the bias strength of synonymous codon pairs, illustrating that translation selection exerts influence on different genomic features.

Quantitative evaluation of natural selection indicated that natural selection pressures exerted on camellia pericarp thickness varied within Yakushima Island (Fig. 6; Table 4).

After females have selected mates, fertility selection is exerted against the offspring of males with a surplus of mates.

Estimating selection differentials exerted by size-selective fishing without accounting for density dependence might thus lead to misleading predictions.