sea star, also called starfish, any marine invertebrate of the class Asteroidea (phylum Echinodermata) having rays, or arms, surrounding an indistinct central disk.
2. Cnidarians
Corals are marine invertebrates within the class Anthozoa of the phylum Cnidaria. They typically form compact colonies of many identical individual polyps.
3. Cnidarians
Jellyfish are invertebrates that, together with corals, gorgonians and anemones belong to a group called the cnidarians
Answers & Comments
1. Echinoderms
2. Cnidarians
3. Cnidarians
Answer:
6.echinoderms
7.poriferans
8.Cnidarian
Explanation: