The Primates1011302The PrimatesThe immediate ancestors of present-day primates were probably a group of relatively nondescript (in human terms) insectivores that looked like the tree shrews. The primates (“of first rank”) were named by humans who naturally regarded their order of mammals as the most important. If mice or rats were doing the taxonomy, then rodents would probably be called “primates.”The primates appear to have evolved, at least at first, for an arboreal existence. The digits are relatively unspecialized and best serve for grasping vines or branches of trees.
EXAMPLE 1 Many mammals, such as the whale, have modified the original five-digit arrangement at the end of the forelimb into special…
George H. Fried; George J. Hademenos: Schaum's Outline of Biology, Fourth Edition. The Primates, Chapter (McGraw-Hill Professional, 2013), AccessEngineering