What are the differences between flatworms and sponges

Porifera (sponges) have specialized cells and an endoskeleton but lack true tissues and body symmetry. ... Platyhelminthes (flatworms) have a mesoderm cell layer, simple organ systems, cephalization, and bilateral symmetry.

Explanation:

Hope this helps>If it does may i please have brainliest!

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes