(PhysOrg.com) -- Most animals, like humans, have separate sexes — they are born, live out their lives and reproduce as one sex or the other. However, some animals live as one sex in part of their lifetime and then switch ...
Feb 2, 2009
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New projections of population and human capital provide insights into what our future could look like all the way until the year 2100 under different developmental scenarios. The findings are presented in the datasets compiled ...
Social Sciences
Mar 8, 2024
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Sex roles in birds describe sex differences in courtship, mate competition, social pair-bonds, and parental care. Different explanations have been put forward to explain these differences but none are based on a comprehensive ...
Plants & Animals
Mar 2, 2022
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Parents who are exposed to predators pass on information about risky environments to their offspring through changes in gene expression—but how that information affects offspring differs depending on the sex of the parent. ...
Evolution
Mar 30, 2021
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Scientists have shown that sex-specific differences in variability depend on individual physical and physiological features in mice, debunking competing theories that either males or females are more variable.
Plants & Animals
Nov 17, 2020
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The bluehead wrasse is a fish that lives in small social groups in coral reefs in the Caribbean. Only the male has a blue head—signaling his social dominance over a harem of yellow-striped females.
Evolution
Jan 24, 2020
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Shrimp fed on marine algae grown in acidic water do not undergo a sex change that is a characteristic part of their reproductive life-cycle, report Mirko Mutalipassi and colleagues at Stazione Zoologica Anton Dohrn in Italy ...
Environment
Jun 26, 2019
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Scientists in the UK have observed a fascinating new fact about sex changing fish: the direction of sex change has implication for population numbers.
Plants & Animals
Aug 22, 2017
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Stronger winds forecast as a result of climate change could impact on populations of wild animals, by affecting how well they can feed, a study of seabirds suggests.
Plants & Animals
Aug 18, 2015
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Using a multigenerational experiment UTS research has shown for the first time that when reef fish parents develop from early life at elevated temperatures they can adjust their offspring gender through non-genetic and non-behavioural ...
Mar 27, 2015
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