Biologists Question Animal Brain Size Theory
...s of meat-eating animals -- living and extinct -- shows changes in the size of the animal's brain relative to itself were influenced by more than just sociality within the species. "This is a sophisticated and powerful analysis that integrates fossils with extant species of carnivores," Flynn, dean of th...Anthropedia Foundation Co-Hosting 'Man The Hunted' Conference
...ology, and healthcare. The conference highlights man's historical role as prey rather than predator, and human reliance on cooperation, altruism, and sociality for survival and healthy development. The conference will tackle many related questions: How is the negative paradigm of man as predator reflected in ...Hermaphrodites, predatory actions and fertility decline are among topics at behavior conference
...lation Structure In Social Birds," Yael Lubin, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University, Israel, on "Evolution of sociality in spiders," Ken Catania, associate professor of biological sciences, Vanderbilt University, on "A Sensory Arms Race? - The Senses and Predatory B...BioScience tip sheet, September 2008
...ucted to date, and propose research directions and policy implications arising from the study of all stages of war. Causes and Consequences of sociality in Bats. Gerald Kerth. Modern field techniques and new molecular methods are providing opportunities to study aspects of bat biology that were until...A bee's future as queen or worker may rest with parasitic fly
...e take on parasitic infection. It encourages us to look for complicated ecological relationships between different species. Parasitism may encourage sociality in some situations. Here it is promoting social behavior," O'Donnell said. ...Savanna habitat drives birds, and perhaps others, to cooperative breeding
...tend beyond starlings, Rubenstein said, noting that the first humans also lived in the savannas of East Africa. "We think this relationship between sociality and temporal variability in rainfall and, hence, food availability, might help explain the distribution of cooperative breeding in other groups of bir...Sociality of sweat bees evolved simultaneously during climate change
...ously,' that is, within 2 million years, which is a very narrow window in evolutionary terms," said Danforth. "It's also news to us that the origin of sociality in halictid bees was so recent." Once the team dated the evolution of the social behaviors to just 20 million to 22 million years ago, they researc...Ancient DNA provides clues to the evolution of social behavior
... to the population crash. ''Maybe the evolution of sociality actually confers some advantage to withstanding pe...ty,'' she says. ''Most behaviorists would say that sociality is so complicated that it takes a while to evolve,...ve implications for understanding the evolution of sociality in other species that have experienced evolutionar...