NDLI: Differences in Patterns of Reproductive Allocation between the Sexes in Nicrophorus orbicollis

Content Provider	PubMed Central
Author	Smith, Ashlee N. Creighton, J. Curtis Belk, Mark C.
Editor	Rozen, Daniel E.
Copyright Year	2015
Abstract	Organisms are selected to maximize lifetime reproductive success by balancing the costs of current reproduction with costs to future survival and fecundity. Males and females typically face different reproductive costs, which makes comparisons of their reproductive strategies difficult. Burying beetles provide a unique system that allows us to compare the costs of reproduction between the sexes because males and females are capable of raising offspring together or alone and carcass preparation and offspring care represent the majority of reproductive costs for both sexes. Because both sexes perform the same functions of carcass preparation and offspring care, we predict that they would experience similar costs and have similar life history patterns. In this study we assess the cost of reproduction in male Nicrophorus orbicollis and compare to patterns observed in females. We compare the reproductive strategies of single males and females that provided pre- and post-hatching parental care. There is a cost to reproduction for both males and females, but the sexes respond to these costs differently. Females match brood size with carcass size, and thus maximize the lifetime number of offspring on a given size carcass. Males cull proportionately more offspring on all carcass sizes, and thus have a lower lifetime number of offspring compared to females. Females exhibit an adaptive reproductive strategy based on resource availability, but male reproductive strategies are not adaptive in relation to resource availability.
Related Links	http://dx.doi.org/10.1371/journal.pone.0143762
Starting Page	143762
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	11
Volume Number	10
Language	English
Publisher	Public Library of Science
Publisher Date	2015-11-01
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Biochemistry, Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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Data from: Differences in patterns of reproductive allocation between the sexes in Nicrophorus orbicollis (Dataset)

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Data from: Differences in patterns of reproductive allocation between the sexes in Nicrophorus orbicollis (Dataset)

Identification of Splicing Variation Associated with Parental Behavior in the Burying Beetles (Nicrophorus orbicollis)

Investigating Differences in Vigilance Tactic Use within and between the Sexes in Eastern Grey Kangaroos

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