These are the most frequently used words in this book.
1997
adaptation
al
among
another
basic
between
biological
biologists
boundaries
case
categories
cause
chapter
circumstances
common
concept
consider
counts
definition
different
distinct
diversity
dna
does
effects
entities
et
even
evolution
evolutionary
example
exist
first
gene
groups
history
human
idea
include
kinds
know
language
life
may
meaning
method
might
mind
model
must
mutation
natural
nature
number
occur
often
organisms
part
particular
patterns
people
point
populations
problem
process
question
re
real
reason
recombination
recurrence
refer
reference
sample
see
seem
sense
should
simple
something
species
still
study
taxa
theory
things
though
thus
time
tion
tree
two
understanding
use
used
view
ways
word
world