1
.
Animals
are
classified
into
two
main
groups
which
are
____________________
and
____________________
.
2
.
More
than
95%
of
all
animals
are
____________________
3
.
Vertebrates
have
an
____________________
4
.
Sponges
,
jellyfish
,
and
worms
are
examples
of
____________________
5
.
Compared
to
other
kingdoms
,
the
animal
kingdom
has
the
____________________
kinds
of
organisms
.