Ce sont les mots les plus souvent utilisés dans ce livre.
among
animals
another
ape
beings
best
better
between
birds
body
brain
called
case
children
come
daughters
differences
different
does
effect
eggs
even
evolution
evolutionary
example
fact
far
female
few
find
first
found
gender
generation
genes
genetic
get
good
group
human
husband
idea
indeed
individual
know
large
less
life
likely
little
live
long
male
man
mate
may
men
must
nature
need
new
often
ones
own
parasites
people
plants
preference
queen
rather
reason
red
seems
selection
sex
sexual
small
social
society
sons
species
sperm
still
tail
theory
therefore
things
time
tion
two
use
wife
without
woman
women
work
world
years
yet
young