WebThe changes in paternal investment documented here are largely contingent on four conditions: increased efficiency in subsistence brought about by mechanized farming, … Webbiparental: [adjective] of, relating to, involving, or derived from two parents.
Sex roles and the evolution of parental care specialization
Webbiparental: [ bi″pah-ren´t'l ] derived from two parents, male and female. WebJul 5, 2014 · INTRODUCTION. The majority of hypotheses proposed to explain the evolution of social monogamy focus on the benefits of biparental care to offspring (e.g., Kleiman, 1977; Wittenberger & Tilson, 1980). This is probably for two reasons. First, most socially monogamous fish, birds and mammals show some form of biparental care; … high blood pressure nifedipine
The Evolution of Biparental Care - University of …
WebApr 1, 2003 · Parental-investment theory predicts that monogamy should be rare, and empirical evidence supports this prediction. ... Monogamy is typically considered to have evolved either because biparental ... WebJan 1, 2024 · The increased biparental investment required to raise tadpoles in small nutrient-deficient pools apparently makes mate desertion an unprofitable strategy for R. imitator ... A key ecological factor drove the evolution of biparental care and monogamy in an amphibian. American Naturalist, 175, 436–446. CrossRef PubMed Google Scholar ... Monogamy is a rare mating system largely restricted to birds; about 90% of avian species are at least socially monogamous (Lack 1968). It occurs infrequently in mammals (Kleiman 1977) and fish (Barlow 1984; Whiteman and Côte 2004) and is exceptionally rare in other vertebrate taxa. Social monogamy … See more Experiments were conducted in secondary premontane tropical forest near the town of Chazuta, Peru, over two 4-month field seasons during the rainy seasons of 2010 and 2011. Four sites were chosen based on presence of R. … See more Biparental care is thought to play a key role in the evolution of monogamy if the value of exclusive cooperation in care for mutual offspring outweighs the benefits of polygamy for either sex. Our examination of the importance of … See more This research was funded by grants from the National Science Foundation (IOB-0544010) and the National Geographic Society (8751-10); … See more how far is miami from orlando