How are algae and polyps related?
the polys receive carbon dioxide from the algae
the polyps get most of their food from the algae
the polyps embed themselves in the flesh of the algae
the polyps recience shelter from the algae
the polys receive carbon dioxide from the algae
the polyps get most of their food from the algae
the polyps embed themselves in the flesh of the algae
the polyps recience shelter from the algae