Communityecologydealswiththewholearrayof

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Unformatted text preview: 200
 300
 Annual
mean
precipitation
(cm)
 400
 •  Descriptive
approach
‐‐‐‐‐‐
 natural
history
 
(fundamental
part
of
ecology)
 •  Don’t
only
think
on
the
 molecular
level
 What
is
this?
 •  Know
your
organism!
 0
 –15
 Fig. 52-2 Ecology
 Organismal
 ecology
 Population
 ecology
 • Hypothesis
testing
 • Field
experiments
 • Statistical
analysis
 Community
 ecology
 Ecosystem
 ecology
 Landscape
 ecology
 Global
 ecology
 •  Organismal
ecology
studies
how
an
organism’s
 structure,
physiology,
and
(for
animals)
behavior
 meet
environmental
challenges
 •  A
population
is
a
group
of
individuals
of
the
same
 species
living
in
an
area
 •  Population
ecology
focuses
on
factors
affecting
 how
many
individuals
of
a
species
live
in
an
area
 2
 4/17/09
 •  A
community
is
a
group
of
populations
of
different
 species
in
an
area
 •  Community
ecology
deals
with
the
whole
array
of
 interacting
species
in
a
community
 •  An
ecosystem
is
the
community
of
organisms
in
an
 area
and
the
physical
factors
with
which
they
 interact
 •  Ecosystem
ecology
emphasize...
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