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Environmental issues

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Model selection in phylogenetics

Article Abstract:

A review of issues that render model-based approaches necessary, nucleotide-based models that attempt to capture relevant features of evolutionary processes and methods that are applied to model selection in phylogenetics are presented. The methods that are simulation studies with extremely complex models of sequence evolution to generate data are like to be very fruitful in evaluating alternative model-selection and model-averaging strategies.

Author: Sullivan, Jack, Joyce, Paul
Publisher: Annual Reviews, Inc.
Publication Name: Annual Review of Ecology, Evolution and Systematics
Subject: Environmental issues
ISSN: 1543-592X
Year: 2005
Idaho, Analysis, Phylogeny (Botany), Plant phylogeny, Decision theory

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The evolution of polyandry: Sperm competition, sperm selection, and offspring viability

Article Abstract:

The effect of sperm competition, sperm selection and offspring viability on the evolution of polyandry is studied. Polyandry can have a weak but significant general effect on embryo viability, but appropriate data that test for intrinsic sire effects on embryo viability are generally unavailable.

Author: Simmons, Leigh W.
Publisher: Annual Reviews, Inc.
Publication Name: Annual Review of Ecology, Evolution and Systematics
Subject: Environmental issues
ISSN: 1543-592X
Year: 2005
Australia, Spermatozoa, Sperm, Polyandry

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The evolutionary ecology of gynogenesis

Article Abstract:

A study of the evolutionary ecology of gynogenesis is presented. Sperm dependency is the defining feature of gynogenetic metazoans and organisms that apparently combine disadvantages of both sexuality and asexuality are a challenge to theory.

Author: Schlupp, Ingo
Publisher: Annual Reviews, Inc.
Publication Name: Annual Review of Ecology, Evolution and Systematics
Subject: Environmental issues
ISSN: 1543-592X
Year: 2005
Oklahoma, Gynogenesis

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Subjects list: Research, Evolution (Biology), Evolution
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