SEA SPONGE :)

The sponge is a sea animal that reproduce by asexual way , this animal is characterized  because it are multicellular organisms and its body is totaly cover of pores , this animal do not have nerveous,digestive, and circulatory sitems.  All sponges are sessile aquatic animals  ,  they  are freshwater species.

This is a sponge :

  

The cells of the sponge :