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Q: Octopus is an example of ____ phylum.
  • A. Echinodermata
  • B. Hemichordata
  • C. Arthropoda
  • D. Mollusca
Correct Answer: Option D - Octopus is a soft-bodied, eight-limbed molluscus in the order octopoda, phylum Mollusca. Around 300 species are recognised and octopus is bilaterally symmetric with two eyes and a beak, mouth at the center point of the eight limbs. The Siphon is used for the respiration and for locomotion by expelling a jet of water.
D. Octopus is a soft-bodied, eight-limbed molluscus in the order octopoda, phylum Mollusca. Around 300 species are recognised and octopus is bilaterally symmetric with two eyes and a beak, mouth at the center point of the eight limbs. The Siphon is used for the respiration and for locomotion by expelling a jet of water.

Explanations:

Octopus is a soft-bodied, eight-limbed molluscus in the order octopoda, phylum Mollusca. Around 300 species are recognised and octopus is bilaterally symmetric with two eyes and a beak, mouth at the center point of the eight limbs. The Siphon is used for the respiration and for locomotion by expelling a jet of water.