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261 results for “hypothesis testing”

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zenodo28/100

FIGURE 8 in Testing hypothesis of skeletal unity using bone histology: The case of the sauropod remains from the Howe-Stephens and Howe Scott quarries (Morrison Formation, Wyoming, USA)

FIGURE 8. View of outer cortex of SMA 0015 "David" femur with the characteristic orange, diagenetic coloration which can be observed in all the SMA 0015 "David" samples. This image was taken from the outer cortex of SMA 0015 "David" femur.

opencc-by-4.0Dec 2021View details →

zenodo28/100

Fig. 2 in Review paper Stimulation of Plant Growth through Interactions of Bacteria and Protozoa: Testing the Auxiliary Microbial Loop Hypothesis

Fig. 2. Effects of Acanthamoeba castellanii on root diameter size classes of a grass (Lolium perenne). Grass plants were grown for 20 days in presence (+ Amo) and absence (– Amo) of amoebae on 1% agar with ½ Murashigge and Skoog medium in Petri dishes with a diverse soil bacterial community (Kreuzer, unpublished).

opencc-by-4.0Dec 2012View details →

dryad28/100

Data from: Multiple data sets, congruence, and hypothesis testing for the phylogeny of basal groups of the lizard genus Sceloporus (Squamata, Phrynosomatidae)

Several data partitions, including nuclear and mitochondrial gene sequences, chromosomes, isozymes, and morphological characters, were used to propose a new phylogeny and to test previously published hypotheses about the phylogenetic positions of basal clades of the lizard genus Sceloporus and the relationship of Sceloporus to the former genus "Sator". In accord with earlier studies, our results grouped "Sator" internal to Sceloporus, and both support a hypothesis of transgulfian vicariance for the origin of the former genus "Sator" on islands in the Sea of Cortez. Robustness of support for internal nodes in our best tree was established though widely used indices (bootstrap proportions, decay values) but also through congruence among independent data partitions. Several deep nodes in the tree recovered by a number of methods, including equally weighted and differentially weighted parsimony, and maximum likelihood models, are only weakly supported by the traditional indices, and this methodological concordance is taken as evidence for insensitivity of the deep structure of the topology to alternate assumptions.

opencc-zeroDec 2008View details →

zenodo28/100

Fig. 22 in The Ecology And Migrations Of Sea Turtles 8. Tests Of The Developmental Habitat Hypothesis

Fig. 22. Mean, range, and one standard deviation for Chelonia mydas at three maturity stages (see Methods) at three study sites in Bermuda and Panama and at Tortuguero, Costa Rica. Sample size is shown below each bar. Maturity status is based on laparoscopy except for nesting females from Tortuguero. Statistics for stage 1 individuals in Panama are affected by the absence of small immatures at this site (see Results – C. mydas, Panama). Statistics for stage 2 individuals from Bermuda are affected by departure of stage 2 animals from Bermuda waters (see Departure – C. mydas, Bermuda). Data for nesting females were provided by Sebastian Troëng and the Sea Turtle Conservancy.

opencc-by-4.0Aug 2011View details →

zenodo28/100

Fig. 6 in Testing the ecomorphological hypothesis in a headwater riffles fish assemblage of the rio São Francisco, southeastern Brazil

Fig. 6. Apareiodon ibitiensis specimen using its expanded and horizontally orientated paired fins to hold its position over a rocky surface while grazing on periphyton in the riffles substrate, during daytime (photo: Ricardo M.C. Castro).

opencc-by-4.0Jun 2006View details →

dryad28/100