Question:

What advances did the phylum Cnidaria (jellyfish, hydra)

Last updated: 7/8/2022

What advances did the phylum Cnidaria (jellyfish, hydra)

What advances did the phylum Cnidaria (jellyfish, hydra) bring to the animal kingdom? 1. Three tissue layers 2. Predation 3. complete digestive system including mouth and anus 4. Purposeful movement