Answer:
It has a postanal tail.
It has pharyngeal arches.
1. Multicellular
2. Multicellular, tissues, bilateral symmetry, body cavity, coelom, segmentation, jointed appendages, exoskeleton
3. Annelids
4.Jointed appendages, exoskeleton
5. Evolutionary phylogeny is unknown, but it is known to have some of these adaptive traits (multicellular, tissues, bilateral sym, body cavities, coelom)
6.sponges, jellyfish, roundworms, snails
The Fish does not give off Carbon Dioxide
It is a substance which changes the colour of reflected or transmitted light
For example chlorophyll have green pigments