The groups made up of vertebrates among the options provided are None of these are vertebrates and Cnidarian.
1. Marine worms are invertebrates, not vertebrates. Invertebrates do not have a backbone or spinal column.
2. Porifera, also known as sponges, are invertebrates as well. They lack a well-defined body plan and do not possess a backbone.
3. Cnidarians, such as jellyfish and sea anemones, are invertebrates. They belong to a phylum of simple animals characterized by their radial symmetry and stinging cells.
Therefore, the correct answer is None of these are vertebrates and Cnidarian.
