A
food
chain
shows
the
relationship
between
which
feed
on
each
other
.
This
essay
will
describe
the
three
types
of
organisms
which
form
food
,
and
explain
how
each
organism
acts
as
a
food
for
the
next
one
in
the
chain
.
The
first
organism
in
the
food
chain
cannot
feed
on
other
organisms
and
is
called
a
because
it
makes
its
own
food
.
Green
plants
are
an
example
of
a
producer
.
They
use
photosynthesis
,
that
is
,
the
process
of
turning
carbon
dioxide
and
water
into
organic
compounds
using
energy
from
.
These
organic
compounds
are
found
in
various
parts
of
the
plant
such
as
the
leaves
,
fruit
,
and
,
and
are
a
source
of
energy
for
the
organism
in
the
next
step
in
the
chain
,
a
.
Consumers
are
generally
animals
and
humans
who
eat
the
products
of
photosynthesis
.
Examples
of
this
are
sheep
eating
grass
,
and
birds
eating
seeds
.
Consumers
are
classified
depending
on
their
place
in
the
chain
.
For
instance
,
when
humans
eat
vegetables
,
they
are
primary
consumers
.
In
other
words
,
they
are
directly
eating
a
product
of
photosynthesis
.
When
they
eat
meat
,
they
are
consumers
.
Consumers
can
also
be
divided
into
groups
according
to
what
they
eat
:
,
which
eat
only
plants
or
plant
products
,
carnivores
,
which
eat
animals
,
and
,
which
eat
both
plants
and
animals
.
The
transfer
of
energy
from
one
species
to
another
can
occur
several
times
,
but
eventually
the
chain
ends
.
When
the
final
consumer
dies
,
its
body
is
broken
down
into
simple
molecules
by
decomposers
such
as
and
fungi
,
in
the
final
steps
in
the
chain
.
These
molecules
are
returned
to
the
soil
,
where
they
are
used
by
plants
,
and
the
food
chain
begins
again
.
To
summarize
,
a
food
chain
shows
that
every
organism
is
on
another
for
its
source
of
energy
,
and
in
turn
acts
as
a
food
source
for
the
next
organism
in
the
chain
.
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