The formation of oil
trap and
The
gives out a
huge amount of
then
then feed on
and take in
Sea
the
the stored
this
The sea
and fall to the
Instructions
Fill in the blanks to complete
each stage of the formation
of oil. Once you have done
this, draw a picture in the box
to show what is happening at
each stage.
and
Layers of
rock from on top of the
dead
Over time,
a lack of oxygen
the dead
to form
The
that was
stored in their bodies is
now stored in the