期刊
ANIMAL BEHAVIOUR
卷 179, 期 -, 页码 297-306出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anbehav.2021.07.017
关键词
evolutionary novelty; genetic assimilation; phenotypic plasticity; recognition; sensory bias; signal; speciation
资金
- National Science Foun-dation [IOS-1557564]
The origin of novel communication systems is an evolutionary puzzle, with plasticity facilitating the emergence and diversification of these systems. Reciprocal plasticity enables rapid changes in signal precursors and receiver responses, aiding in the establishment of new communication systems. Further research is needed to explore the role of plasticity in the development and expression of signals, and its implications for speciation and diversification.
The origin of novel communication systems has long been an evolutionary puzzle because communi-cation requires interdependent signals and responses. Either component is not useful in isolation. Pre-vious work has shown that novel communication systems may arise when pre-existing traits are co-opted for a novel function. However, research on developmental plasticity suggests we may benefit from considering how plasticity facilitates the origin and diversification of communication systems. In particular, plasticity can stabilize novel traits that are the first step towards signals or receiver responses (precursors) because plasticity allows individuals to rapidly adjust their phenotype based on their partner's phenotype, termed 'reciprocal plasticity'. For example, exposure to a new sender precursor (e.g. new song) can produce a rapid, reciprocal change in receiver responses (e.g. preference for the new song). Reciprocal plasticity may facilitate the origin of new communication systems because precursors that influence conspecifics are more likely to become established signalling systems than precursors that are ignored by conspecifics. We review evidence that plasticity is important in the development and expression of a range of signals and preferences, the implications for divergence in signalling systems and its potential impacts on speciation and diversification. We outline areas of exciting future research, from incorporating more developmental realism into evolutionary models of signalling systems to using experimental evolution and novel anthropogenic environments to study genetic assimilation of plastic signals and preferences. (c) 2021 The Association for the Study of Animal Behaviour. Published by Elsevier Ltd. All rights reserved.
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