Dalton Elleman

Levels of Organization

Sponges have three layers tissues, organs and organ systems

Germ Layers

Sponges have three germ layers ectoderm, mesoderm and endoderm.


Different sponge species have different types of symmetry. Sponges can have Radial symmetry, Bilateral symmetry, and asymmetry.


Sponges don't have any cephalization.

Body Cavity

Sponges are acoelomates but have a fluid filled center where they pass nutrients through constantly to keep absorbing nutrients the sponge needs to keep living.

Digestive, Circulatory, Respiratory,and Excretory Systems

Sponges do not have

Proof They're Early Life

Sponges don't have segmentation or any sort of nervous system to speak of.

Reproductive System

Sponges can reproduce both sexually and asexually. Every cell in a sponges body contains the information to make another sponge meaning you can blend a sponge up in a blender and when everything settles more sponges will begin to form.

Sponge Reaggregation