____________________
are
vertebrates
or
invertebrates
.
____________________
have
a
skeleton
made
of
bones
.
____________________
do
not
have
a
skeleton
.
Mammals
are
____________________
.
They
are
born
from
their
mothers
womb
.
Birds
are
____________________
.
They
lay
eggs
.
Invertebrates
do
not
have
____________________
.
Animals
eat
plants
and
other
animals
for
____________________
.
