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Journal ArticleDOI

Biometry: the principles and practice of statistics in biological research 2nd edition.

Sokal Rr, +1 more
- 01 Dec 1982 - 
- Vol. 77, Iss: 380, pp 946
TLDR
The book aims to instill in students an ability to think through biological research problems in such a way as to grasp the essentials of the experimental or analytical setup to know which types of statistical tests to apply in a given case and to carry out the computations required.
Abstract
This text develops the science of biometry from an elementary introduction up to the advanced methods necessary for biological research and for an understanding of the published literature. This text is aimed primarily at the academic biologist including general zoologists botanists microbiologists geneticists and physiologists in universities research institutes and museums. This book while furnishing ample directions for the analysis of experimental works also stresses the descriptive and analytical statistical study of biological phenomena. It is intended both as a text to accompany a lecture course and as a complete course for self-study. The book aims to instill in students an ability to think through biological research problems in such a way as to grasp the essentials of the experimental or analytical setup to know which types of statistical tests to apply in a given case and to carry out the computations required. Chapters cover biological data data handling descriptive statistics probability estimation and hupothesis testing analysis of variance linear regression correlation multiple and curvilinear regression analysis of frequencies and miscellaneous methods.

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Journal ArticleDOI

Complex determination of male sterility in Thymus vulgaris L.: genetic and molecular analysis

TL;DR: There is strong evidence that both nuclear and cytoplasmic genes are involved in the determination of male sterility of this species, giving a complex inheritance.
Journal ArticleDOI

Commensalism or mutualism: conditional outcomes in a branchiobdellid-crayfish symbiosis

TL;DR: The relationship between crayfish and branchiobdellids can fluctuate between commensalism and mutualism depending mainly on the environmental fouling pressure, which may largely depend on the factors directly related to the need for cleaning.
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Spontaneous heterosis in larval life-history traits of hemiclonal frog hybrids.

TL;DR: Observing larval heterosis in F1 hybrids in survival, growth rate, and time to metamorphosis, demonstrates that heterosis is spontaneous and results from hybridity per se rather than from subsequent interclonal selection; in natural lineages the effects of hybridity and of clonal history are confounded.
Journal ArticleDOI

Comparative study of lower pharyngeal jaw structure in two phenotypes of Astatoreochromis alluaudi (teleostei: Cichlidae).

TL;DR: Examination of wild‐caught (snail‐eating) fish and specimens experimentally reared on soft food for differences in bone structure in their lower pharyngeal jaw reveals differing growth trajectories, indicating that porosity does not change on one growth trajectory or from one phenotype to another.
Journal ArticleDOI

Dominance relationship in the establishment of reproductive division of labour in a primitively eusocial wasp ( Ropalidia marginata)

TL;DR: The mechanisms by which a queen establishes her social status in her colony and those by which she continues to suppress reproduction of her nestmates in the absence of overt physical dominance may be quite different.