REEF MAP
[This map only shows the fringe reef, there are no atolls but there are surely barrier reef.

SIMILARITIES:
-all took a long time to grow into what they are now
-all are reefs
-all have reef slopes and reef flats
-there is different bunch of marine wild life living in these reefs
-all reefs happen because of corals

DIFFERENCES:
-the way they are made
-their location
-the way they look like
-their function
-their distance from the shore