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A usage of different call types also differs between sexes, in that females mostly utter contact(-food) calls, whereas males produce a great number of threat calls. Such difference in vocal usage is associated with social roles, with females being involved in more social tasks within the group and males being responsible for territory defense. [16]
In some conditions, men's productivity is higher (for example, when "male" objects are used), in other conditions, women's productivity may be higher or there are no differences between the sexes. [54] Higher female ability in visual recognition of objects and shapes have also been found. [55] [56]
Many genetic differences (polymorphisms) have little effect on health or reproductive success but help to distinguish one population from another. It is helpful for researchers in the field of population genetics to study ancient migrations and relationships between population groups.
Because of the common ancestry of all humans, only a small number of variants have large differences in frequency between populations. However, some rare variants in the world's human population are much more frequent in at least one population (more than 5%). [55]
AOL Mail is always looking to improve on the features you know and love, while also ensuring the best safety and performance. Although you can't switch back to the classic version of AOL Mail, you can continue to enjoy your favorite features and many new ones as well.
In daily life, little people face numerous obstacles because the environment is tailored to average-sized individuals. Some little people can only use ATMs, kitchens, toilets, and sinks with aids. Low stools and step stools play a special role, as they can be used in various ways to bridge the height difference.
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
However, some prescriptivists prescribe the rule addition that less should be used with units of measurement (e.g. "less than 10 pounds/dollars"). Prescriptivists might, however, consider "fewer cups of coffee" to be correct in a sentence such as "there are fewer cups of coffee on the table now", where the cups are countable separate objects.