Jump to ContentJump to Main Navigation

You are looking at 1-10 of 194 items

  • Keywords: fitness x
Clear All Modify Search

View:

Allee Effects in Ecology and Conservation

Franck Courchamp, Ludek Berec, and Joanna Gascoigne

Published in print:
2008
Published Online:
May 2008
ISBN:
9780198570301
eISBN:
9780191717642
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570301.001.0001
Subject:
Biology, Biodiversity / Conservation Biology

Allee effects are broadly defined as a decline in individual fitness at low population size or density, that can result in critical population thresholds below which populations crash to extinction. ... More


Family Relationships: An Evolutionary Perspective

Catherine A. Salmon and Todd K. Shackelford (eds)

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195320510
eISBN:
9780199786800
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195320510.001.0001
Subject:
Psychology, Social Psychology

Kinship ties — the close relationships found within the family — have been a central focus of evolutionary biological analyses of social behavior ever since biologist William Hamilton extended the ... More


Natural Selection in the Abstract

Samir Okasha

in Evolution and the Levels of Selection

Published in print:
2006
Published Online:
January 2007
ISBN:
9780199267972
eISBN:
9780191708275
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199267972.003.0001
Subject:
Philosophy, Philosophy of Science

This chapter studies the logic of evolution by natural selection and the origin of the levels of selection question. The abstract nature of the core Darwinian principles, and thus their potential ... More


Causality and Multi‐Level Selection

Samir Okasha

in Evolution and the Levels of Selection

Published in print:
2006
Published Online:
January 2007
ISBN:
9780199267972
eISBN:
9780191708275
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199267972.003.0003
Subject:
Philosophy, Philosophy of Science

This chapter analyzes the causal dimension to multi-level selection theory. Particular attention is paid to the idea that direct selection at one hierarchical level may generate, as a side effect, a ... More


The Group Selection Controversy

Samir Okasha

in Evolution and the Levels of Selection

Published in print:
2006
Published Online:
January 2007
ISBN:
9780199267972
eISBN:
9780191708275
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199267972.003.0006
Subject:
Philosophy, Philosophy of Science

This chapter examines the notorious issue of group selection in behavioural ecology, one of the mainstays of the traditional levels of selection debate. The history of the group selection controversy ... More


 What Is Evolutionary Biology and Where Is It Coming From?

Paul F. Lurquin and Linda Stone

in Evolution and Religious Creation Myths: How Scientists Respond

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195315387
eISBN:
9780199785674
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195315387.003.0002
Subject:
Religion, Religion and Society

This chapter describes the Darwin-Wallace theory of evolution by natural selection. In particular, it explains the notion of fitness, which underlies the concepts of descent with modification and the ... More


Are Flowers under Selective Pressure to Increase Pollinator Attention?

Beverley J. Glover

in Understanding Flowers and Flowering: An integrated approach

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198565970
eISBN:
9780191714009
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198565970.003.0017
Subject:
Biology, Plant Sciences and Forestry

The underlying assumption of much of the work on flower development and morphology is that these features serve to increase the attractiveness of the flower to pollinating animals, thus maximizing ... More


Lifetime reproductive success and sexual selection theory

Walter D. Koenig

in Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research

Published in print:
2008
Published Online:
September 2008
ISBN:
9780199230693
eISBN:
9780191710889
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199230693.003.0012
Subject:
Biology, Ecology, Animal Biology

This chapter summarizes studies of lifetime reproductive success (LRS) conducted on odonates. Such studies have focused on many characters, but have typically concluded that survivorship — the main ... More


Testing hypotheses about parasite-mediated selection using odonate hosts

Mark R. Forbes and Tonia Robb

in Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research

Published in print:
2008
Published Online:
September 2008
ISBN:
9780199230693
eISBN:
9780191710889
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199230693.003.0014
Subject:
Biology, Ecology, Animal Biology

Parasites are thought to select for host traits, such as elaborate ornaments and intricate immune systems. Dragonflies have proven useful hosts for studying parasite-mediated selection. This chapter ... More


The genetic and ecological context of selection

Graham Bell

in Selection: The Mechanism of Evolution

Published in print:
2007
Published Online:
May 2008
ISBN:
9780198569725
eISBN:
9780191717741
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198569725.003.0002
Subject:
Biology, Evolutionary Biology / Genetics

This chapter gives some quantitative information about the rates of genetic and environmental deterioration. The first section in this chapter is about history, chance, and necessity, and includes ... More


View: