a
)
Mammals
,
reptiles
and
birds
get
oxygen
from
the
____________________
.
They
breathe
with
____________________
b
)
Fish
use
____________________
to
get
oxygen
from
the
____________________
.
c
)
Mammals
are
bord
directly
from
their
mother
.
They
are
____________________
d
)
Birds
,
reptiles
,
amphibians
and
fish
reproduce
by
laying
____________________
.
They
are
____________________
e
)
Most
vertebrate
animals
are
____________________
(
they
eat
both
animals
and
plants
)
or
____________________
(
they
eat
other
animals
)
f
)
Some
mammals
and
a
few
birds
are
____________________
,
they
only
eat
plants
.
