Alga vs Conceptacle - What's the difference?
alga | conceptacle |
(biology) Any of many aquatic photosynthetic organisms, whose size ranges from a single cell to giant kelps and whose form is very diverse; some are eukaryotic and some prokaryotic; includes the seaweeds.
(obsolete) A cavity, especially in the body.
(phycology) A cavity in some marine algae that contains the reproductive organs.