taxon

Definitions

  • WordNet 3.6
    • n taxon animal or plant group having natural relations
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Usage


In science:

And, loss of population of a taxon is independent of the (average) life time of its individuals.) Also, one new generated taxon may lose population in further time steps; and whenever any taxon has population less than one, and then we consider the situation as (gradual) extinction.
A physical model for competition between biological speciation and extinction
Yet, to study the effect of small sizes, we consider random initial populations, and assign Pri many (lower) taxa to the taxon under consideration, where P is some constant and ri is a random real number 0 ≤ ri < 1, with i ≤ M(0).
A physical model for competition between biological speciation and extinction
In Figure 1b, we display the ratio of extinction events to the number of current taxa, where it may be observed that, each taxon has the chance to give birth to an unsuccessful mutation, as time goes on; and, the inset is for the size distribution of extinction events, where linearity is clear.
A physical model for competition between biological speciation and extinction
Yet, this is valid for all taxa; namely, some lower taxa of each (higher) taxon become extinct quickly, and some others live long.
A physical model for competition between biological speciation and extinction
Ratio of extinction events to the number of current taxa, where it may be observed that, each taxon has a chance to give birth to an unsuccessful mutation, as time goes on; and, the inset is for the size distribution of extant, where linearity is clear.
A physical model for competition between biological speciation and extinction
Size (cumulative) distribution of a biological taxon, where the ratio of P to S is (=0.01/0.00003) and other parameters are as in Fig. 1a. Please note that, some portion of the distribution (inset) may be considered as exponential decay.
A physical model for competition between biological speciation and extinction
Thus, the question arises, whether the genomes closely located at the space indices (1 – 4), belong the same or closely related taxons? To answer this question, we developed an unsupervised classification of the genomes, in three-dimensional space determined by the indices (1 – 4).
Codon Usage Bias Measured Through Entropy Approach
Comparing bootstrap and posterior probability values in the four-taxon case.
Bayesian posterior probabilities: revisited
Ten reads were simulated from each taxon of each alignment, and then binned according to the likelihood weight ratio of their best placement; ranges for the four bins are indicated in the legend.
pplacer: linear time maximum-likelihood and Bayesian phylogenetic placement of sequences onto a fixed reference tree
Figure 7: The relationship between accuracy and phylogenetic distance to the sister taxon for the COG simulation.
pplacer: linear time maximum-likelihood and Bayesian phylogenetic placement of sequences onto a fixed reference tree
For each taxon in each alignment, the phylogenetic distance to the closest sister taxon was calculated, along with the average placement error for the ten reads simulated from that taxon in that alignment.
pplacer: linear time maximum-likelihood and Bayesian phylogenetic placement of sequences onto a fixed reference tree
Zwickl D, Hillis D: Increased taxon sampling greatly reduces phylogenetic error.
pplacer: linear time maximum-likelihood and Bayesian phylogenetic placement of sequences onto a fixed reference tree
Migeod's specimen may represent yet another new taxon.
Aspects of the history, anatomy, taxonomy and palaeobiology of sauropod dinosaurs
The second Hastings Beds Group taxon has a complex nomenclatural history.
Aspects of the history, anatomy, taxonomy and palaeobiology of sauropod dinosaurs
Crocco, M. (2007), Los taxones mayores de la vida orgánica y la nomenclatura de la vida en Marte: primera clasificación biológica de un organismo marciano (ubicación de los agentes activos de la Misión Vikingo de 1976 en la taxonomía y sistemática biológica).
Analysis of evidence of Mars life
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