The correct answer is Option (3) - Vertebrata
Vertebrata does NOT fall under Non-Chordates.
Explanation:
- Annelida: Annelids are segmented worms, such as earthworms and leeches, and are non-chordates.
- Porifera: Poriferans are sponges and belong to the phylum Porifera, which is a non-chordate group.
- Mollusca: Mollusks, including snails, clams, and octopuses, are part of the phylum Mollusca, which consists of non-chordate animals.
- Vertebrata: This term includes all animals with a vertebral column (backbone), and these animals belong to the phylum Chordata. Vertebrates are a subgroup within the chordates. Chordates include both vertebrates and non-vertebrates, and vertebrates are characterized by the presence of a vertebral column.
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