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How mates and sexual rivals affect reproductive costs, lifespan and ageing. This project aims to dissect the complex costs of reproduction, bridging an old divide between evolutionary and biomedical approaches to understanding ageing and lifespan. Merely detecting the smell of another individual, without ever encountering them, can cause an individual to mature sooner, age faster, or live a shorter life. These costs, and the fact that subsequent mating can restore adult ageing and lifespan to "n ....How mates and sexual rivals affect reproductive costs, lifespan and ageing. This project aims to dissect the complex costs of reproduction, bridging an old divide between evolutionary and biomedical approaches to understanding ageing and lifespan. Merely detecting the smell of another individual, without ever encountering them, can cause an individual to mature sooner, age faster, or live a shorter life. These costs, and the fact that subsequent mating can restore adult ageing and lifespan to "normal" are causing a re-evaluation of the costs of reproduction - an important but enigmatic concept in evolution. This project expects to resolve how and why the physical presence of a mate, or odour cues of such a mate, can have such dramatic effects on ageing and late-life performance.Read moreRead less
Threshold traits: conditionality, instability and broken symmetry. This project will use experimental evolutionary ecology to understand biological switches that are tripped in response to environmental change. This will increase knowledge of how the environment affects organisms; exploring the limits to diversity on the one hand and the generation of novelty on the other.
Evolutionary roots of social bonds in female mammals. The social networks and friendships of wild female kangaroos and how these benefit individuals will be studied. This project will help us understand how the propensity of mammals to form friendships evolved; this understanding of the evolutionary roots of friendships will help in understanding why friendships affect peoples' health and mortality.
From individual interactions to global patterns: understanding the basis of collective behaviour. Some of the most incredible sights in nature happen when animals form into groups, such as shoals or flocks. This study examines the phenomenon of collective animal behaviour to understand how simple interactions between group members scale to produce these behavioural spectacles.
Female multiple mating and the evolutionary origins of complex societies. This project plans to connect micro-evolutionary processes with macro-evolutionary change to provide a unified understanding of why animals live together. Evolutionary transitions to and from complex social behaviour appear linked to female multiple mating (polyandry). However, the causal pathway by which variation in polyandry results in the emergence and diversification of sociality is yet to be established. Using a vert ....Female multiple mating and the evolutionary origins of complex societies. This project plans to connect micro-evolutionary processes with macro-evolutionary change to provide a unified understanding of why animals live together. Evolutionary transitions to and from complex social behaviour appear linked to female multiple mating (polyandry). However, the causal pathway by which variation in polyandry results in the emergence and diversification of sociality is yet to be established. Using a vertebrate system we aim to integrate empirical, theoretical and comparative approaches to show: the ecological causes of individual variation in female polyandry; its effect on social behaviours that promote social complexity at the population level; and how this corresponds to divergence in social complexity across species.Read moreRead less
Plasticity and the origins of family. This project aims to answer the question of how family life evolved. Humans and many animals live in stable family groups because of the benefits of cooperation. Surprisingly, we have a very poor understanding of how family living initially evolved. This project will experimentally determine how simple responses to environmental change have driven the evolution of family living and thereby refine theories for understanding social evolution more generally. ....Plasticity and the origins of family. This project aims to answer the question of how family life evolved. Humans and many animals live in stable family groups because of the benefits of cooperation. Surprisingly, we have a very poor understanding of how family living initially evolved. This project will experimentally determine how simple responses to environmental change have driven the evolution of family living and thereby refine theories for understanding social evolution more generally. This information will be useful to environmental policy makers that need to consider the role of environmental change in managing and conserving viable populations.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE120100562
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
Investigating the evolution of human traits and the maintenance of heritable individual differences. This project will use twin studies, statistical genetics, and experimental methods to investigate genetic and environmental influences on evolutionarily relevant human traits. This will help reveal how human traits evolved and why all individuals are genetically different despite Darwinian selection favouring only the most advantageous genes.
Discovery Early Career Researcher Award - Grant ID: DE150100336
Funder
Australian Research Council
Funding Amount
$369,453.00
Summary
Female multiple mating, male care and the origins of complex sociality. The project aims to connect processes occurring across levels of biological organisation to provide a unified understanding of why animals live together. Evolutionary transitions to and from complex social behaviour appear linked to female multiple mating (polyandry). However, the causal pathway by which variation in polyandry results in the emergence and diversification of sociality is yet to be established. This project ai ....Female multiple mating, male care and the origins of complex sociality. The project aims to connect processes occurring across levels of biological organisation to provide a unified understanding of why animals live together. Evolutionary transitions to and from complex social behaviour appear linked to female multiple mating (polyandry). However, the causal pathway by which variation in polyandry results in the emergence and diversification of sociality is yet to be established. This project aims to combine empirical, theoretical and comparative approaches to address this. It will test: the environmental causes of individual variation in polyandry; its effect on social behaviours that promote social complexity at the population level; and how this corresponds to divergence in social complexity across species.Read moreRead less
Self-deception as a tool for deceiving others. This research will test the theory that people deceive themselves to deceive others. Support for this theory would enhance our understanding of how we deceive others and why we sometimes deceive ourselves.
Parental imprinting and epigenetic inheritance in honey bees. This project aims to uncover the mechanisms behind epigenetic inheritance in bees, providing deep insights into their biology, and develop an outstanding new system for studying epigenetics. There are compelling theoretical and empirical reasons to predict epigenetic inheritance in honey bees. Further, reciprocal crosses reveal strong paternal effects suggesting that males modify their sperm to increase the reproductive success of the ....Parental imprinting and epigenetic inheritance in honey bees. This project aims to uncover the mechanisms behind epigenetic inheritance in bees, providing deep insights into their biology, and develop an outstanding new system for studying epigenetics. There are compelling theoretical and empirical reasons to predict epigenetic inheritance in honey bees. Further, reciprocal crosses reveal strong paternal effects suggesting that males modify their sperm to increase the reproductive success of their female offspring. Modification of DNA by methylation and the transfer of small RNA molecules in eggs or semen are two candidate mechanisms by which queens and drones may manipulate gene expression in their offspring.Read moreRead less