Sentences with phrase «female size ratio»
Previous studies on A. afarensis, including the famed Lucy, the most complete example of the species ever found, concluded that the male - to - female size ratio was about 15 percent — on a par with that of humans.
http://discovermagazine.com/ Not exact matches
It has not promoted social counterstrategies such as female gregariousness, pair living, or changes in group size and sex ratio, but is successfully prevented by female sexual promiscuity, a paternity dilution strategy.
This time, the subject was the zebrafish, and the robot was a free - swimming unit with the coloration, size, aspect ratio, and fin shape of a fertile female member of the species.
He derived a prediction from an existing mathematical model of the Disruptive Selection Theory that states that for the evolution of males and females to remain stable, the ratio of the size of the larger gamete to the smaller gamete has to be greater than three.
They also found that exposure to the leaf litter from a common trees species, oak, significantly altered the sex ratios in the frog populations and, in some cases, the size of individual females.
It also makes web and mobile applications that allow random observers to find out, in real - time, the male - to - female ratio, crowd size, and average age of a bar's patrons.
Saint Bernards are known for their hefty sizes, with the male often outweighing the female by a large ratio.
Evolutionary psychologists have been long - interested in male preferences for female traits, because those traits are thought to indicate a woman's fertility.2 Whereas most studies focus on what makes specific body traits attractive, such as the waist - to - hip ratio, body mass index, 3 or breast shape and size, 4,5 little research has looked at individual preferences for specific traits.
From 2011 to 2014, a female single borrower had a 2.9 percent loan size - to - income ratio, compared to 2.6 percent for a male single borrower, 2.2 percent for male / female borrowers and 2.1 percent for female / male borrowers.