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Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
a Hyenas and other scavengers may have competed with early hominins for access to carcasses.
School age (late childhood): 6–12 years, or to puberty.
The tools needed to diagnose a circuit containing a relay include a digital multimeter (DMM), a ...
The early development of the mammalian brain illustrated in schematic horizontal sections. Compare ...