The differences in nutrient availability (e.g., oil, sweat) on each skin
site accounts for the differences in activity levels.
Not exact matches
Differences in age and sex, says Tattersall, can not
account for the wide variation in features such as jaw and brow shape not only among Dmanisi skulls, but also when compared with H. erectus fossils from other
sites.
For each of these cancer
sites, the researchers calculated important regional and county
differences in advanced stage of diagnosis, which takes into
account the growth and size of the tumor and whether it has spread to the lymph nodes or other organs.
They discovered that 19 behaviors, such as using a fist to amplify sound or using a tool held in the mouth to poke a hole in a tree and pull out chunks of termite nests, ants, or honey
for a snack, appeared at some
sites but not at others, and there was no ecological reason to
account for these
differences.