Amphibians
are
____________________
.
Their
____________________
is
smooth
and
slimy
.
Amphibians
____________________
through
their
skin
,
as
well
as
their
____________________
in
some
cases
.
Amphibians
are
____________________
-
blooded
.
They
have
a
complex
____________________
cycle
(
larval
and
adult
stages
)
.
Many
species
of
amphibians
____________________
.
One
example
is
the
chorus
frog
.
Some
species
fertilize
____________________
externally
,
some
internally
.
