WebDec 9, 2013 · The differential allocation hypothesis predicts that reproductive investment will be influenced by mate attractiveness, given a cost to reproduction and a tradeoff between current and future reproduction. We tested the differential allocation hypothesis in the swordtail fish Xiphophorus multilineatus, where males have genetically influenced … WebJan 19, 2024 · Differential allocation occurs when reproductive investment is influenced by mate attractiveness. Recently, wide-ranging empirical support for differential allocation has been obtained.
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WebThe patterns and processes of sexual selection are best understood in the context of parental investment. Sexual selection occurs because there is a correlation between the … WebAbstract Differential allocation (DA) is the adaptive adjustment of reproductive investment (up or down) according to partner quality. A lack of theoretical treatments has led to some confusion in the interpretation of DA in the empirical literature. We present a formal framework for DA that highlights the nature of reproductive benefits versus costs for … flash maestro rr
Differential reproductive investment, attachment strength and …
WebNov 13, 2024 · To compare the reproductive investment of females, crabs were captured from three sites (Beagle Channel 55°S, Tierra del Fuego Atlantic coast 52-54°S and San Jorge Gulf 45-47°S). WebOct 14, 2024 · Parental investment theory, as proposed by Robert Trivers (), has become a generative and well-supported cornerstone of biological sciences that has been applied to as diverse cases as the reproductive behavior of seahorses (Hippocampus; Masonjones & Lewis, 2000), and human cognition and behaviors, such as jealousy (e.g., Buss et al., … WebDec 15, 2010 · Thus, female reproductive investment early in the reproductive cycle should be closely related to local foraging effort in order to supply the requirements of clutch production. In contrast, male reproductive investment during this period should be mainly devoted to courtship feeding and agonistic behaviors directed to compete for mates or to ... check if browser tab is active