Respuesta :
Animal Phyla: Porifera
Cellular - lack tissue
sponges have no germ layers, symmetry, cephalization, body cavity, or segmentation
Reproduce sexually or asexually
5000 known species
hope this helps.
Cellular - lack tissue
sponges have no germ layers, symmetry, cephalization, body cavity, or segmentation
Reproduce sexually or asexually
5000 known species
hope this helps.