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The handicap principle and signalling in collaborative systems

Amotz Zahavi

in Sociobiology of Communication: an interdisciplinary perspective

Published in print:
2008
Published Online:
September 2008
ISBN:
9780199216840
eISBN:
9780191712043
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199216840.003.0001
Subject:
Biology, Animal Biology, Evolutionary Biology / Genetics

Signalling systems are by nature collaborations, since for a signal to be effective, the receiver has to cooperate with the signaller. The Handicap Principle (HP) ensures the reliability of signals, ... More


The role of hormones

H. Frederik Nijhout and Emily Laub

in Insect Behavior: From Mechanisms to Ecological and Evolutionary Consequences

Published in print:
2018
Published Online:
September 2018
ISBN:
9780198797500
eISBN:
9780191838842
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198797500.003.0004
Subject:
Biology, Animal Biology, Evolutionary Biology / Genetics

Many behaviors of insects are stimulated, modified, or modulated by hormones. The principal hormones involved are the same as the ones that control moulting, metamorphosis, and other aspects of ... More


Changes in timing of breeding and reproductive success in birds

Peter O. Dunn

in Effects of Climate Change on Birds

Published in print:
2019
Published Online:
September 2019
ISBN:
9780198824268
eISBN:
9780191862809
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198824268.003.0009
Subject:
Biology, Ornithology, Animal Biology

Many studies on birds have shown advancing dates of egg-laying in response to climate change. This chapter reviews the latest knowledge about the roles of photoperiod, food abundance, body condition, ... More


Integration and control: hormones

Derek Burton and Margaret Burton

in Essential Fish Biology: Diversity, structure, and function

Published in print:
2017
Published Online:
December 2017
ISBN:
9780198785552
eISBN:
9780191827433
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198785552.003.0010
Subject:
Biology, Aquatic Biology, Animal Biology

Fish, and other vertebrates, possess both a neural control system and a hormonal one dependent on the circulation. Fish hormones may be secreted by well-defined endocrine glands or by diffuse tissue ... More


Polymorphisms and polyphenisms

Hugh Dingle

in Migration: The Biology of Life on the Move

Published in print:
2014
Published Online:
October 2014
ISBN:
9780199640386
eISBN:
9780191780714
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199640386.003.0013
Subject:
Biology, Animal Biology

The most extreme forms of migratory variation are polymorphisms (genetic variation) and polyphenisms (environmental variation). They are particularly prevalent in insects in which they take a variety ... More


Physiology of migration

Hugh Dingle

in Migration: The Biology of Life on the Move

Published in print:
2014
Published Online:
October 2014
ISBN:
9780199640386
eISBN:
9780191780714
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199640386.003.0006
Subject:
Biology, Animal Biology

This chapter considers the physiological basis for migratory activity across organism diversity. One of the keys to timing migration is photoperiod, which allows anticipation of environmental change, ... More


The development of sexually dimorphic behaviour

Alan F. Dixson

in Primate Sexuality: Comparative Studies of the Prosimians, Monkeys, Apes, and Humans

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199544646
eISBN:
9780191810022
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199544646.003.0010
Subject:
Biology, Animal Biology, Evolutionary Biology / Genetics

This chapter examines the function of hormones in determining sexually dimorphic behaviour development in male and female primates during foetal development, infancy, and puberty. It presents the ... More


The neuroendocrine regulation of sexual behaviour in the adult female

Alan F. Dixson

in Primate Sexuality: Comparative Studies of the Prosimians, Monkeys, Apes, and Humans

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199544646
eISBN:
9780191810022
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199544646.003.0012
Subject:
Biology, Animal Biology, Evolutionary Biology / Genetics

This chapter discusses the effect of hormones in the central nervous system or genitalia that influence the behaviour and sexual attractiveness of female primates. It explores the function of adrenal ... More


Hormones and sexual behaviour in the adult male

Alan F. Dixson

in Primate Sexuality: Comparative Studies of the Prosimians, Monkeys, Apes, and Humans

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199544646
eISBN:
9780191810022
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199544646.003.0013
Subject:
Biology, Animal Biology, Evolutionary Biology / Genetics

This chapter discusses the seasonal changes in hormones and sexual behaviour of male primates. It examines the effects of castration, testosterone replacement, anti-androgens, and metabolites on male ... More


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