The
Envelope-Looking
Creature:
A
Fascinating
Wonder
of
Nature Have
you
ever
come
across
a
creature
that
looks
like
an
envelope?
Well,
if
you
haven't,
then
let
me
introduce
you
to
this
fascinating
wonder
of
nature. This
creature
is
scientifically
known
as
the
planarian,
and
it
belongs
to
the
group
of
free-living
flatworms.
With
its
elongated
and
flattened
body,
the
planarian
indeed
looks
like
an
envelope.
However,
its
appearance
is
not
the
only
intriguing
thing
about
it. Planarians
are
known
to
be
masters
of
regeneration.
If
they
are
cut
in
half
or
even
into
pieces,
they
can
regenerate
into
complete
individuals,
given
that
a
part
of
their
body
contains
the
necessary
organs
and
tissues.
This
ability
has
been
studied
extensively
by
scientists,
trying
to
unlock
the
mechanisms
behind
it
and
apply
it
to
regenerative
medicine. Aside
from
their
incredible
ability
to
regenerate,
planarians
are
also
known
for
their
remarkable
hunting
skills.
They
use
their
two
eyespots
to
detect
light,
and
they
can
detect
chemical
gradients
to
track
their
prey.
Once
they
catch
their
prey,
they
use
a
unique
mechanism
to
immobilize
it.
They
have
a
tubular
proboscis
that
can
eject
a
sticky
substance
to
trap
their
prey,
which
they
then
digest
using
their
pharynx. There
are
around
25,000
known
species
of
planarians,
and
they
are
found
in
fresh『阅读更多 婚姻配对内容请关注 :姻缘配对网,Www.IPeidUI.cC〗】water
and
marine
habitats
worldwide.
Some
species
are
even
considered
to
be
bioindicators,
meaning
that
they
can
give
us
insights
into
the
quality
of
aquatic
environments
based
on
their
behavior
and
responses. In
conclusion,
the
envelope-looking
planarian
is
a
fascinating
creature
that
has
captured
the
attention
of
scientists
and
nature
enthusiasts
alike.
Its
unique
appearance
and
incredible
abilities
make
it
a
remarkable
wonder
of
nature,
reminding
us
once
again
of
the
infinite
diversity
and
complexity
of
life
on
Earth.