Which of the following does NOT fall under Non-Chordates?

Vertebrata

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.