These are the most frequently used words in this book.
africa
ago
alan
among
ancestors
animal
another
anthropologists
apes
art
australopithecines
between
body
bones
boy
brain
change
chimpanzee
come
consciousness
day
different
discovery
during
earlier
early
end
erectus
even
evidence
evolution
evolutionary
females
find
first
fossil
found
great
history
hominid
homo
however
human
images
important
individuals
kind
know
lake
language
large
less
life
little
long
look
males
man
may
million
mind
modern
must
neanderthals
new
now
often
origins
part
pattern
people
perhaps
place
populations
primates
reconsidered
record
sapiens
see
seems
sense
site
size
skull
small
social
something
species
stone
teeth
things
thousand
three
time
tools
turkana
two
work
world
years