Which of the following statements accurately describes the distinguishing characteristics of cnidarians and porifera?
-Cnidarians have an exoskeleton made of chitin, while porifera have an endoskeleton made of calcium carbonate.
- Cnidarians have a simple body plan with two cell layers, while porifera have acomplex body plan with multiple cell layers.
-Cnidarians reproduce only using sexual reproduction and Porifera reproduce usingboth sexual and asexual reproduction.
-Cnidarians have a closed digestive system, while porifera have a gastrovascular cavity.