Which of the following groups of animals have a closed circulatory system?

  • A
    Cockroach,locust,molluscs
  • B
    Non-cephalopod molluscs,cockroach
  • C
    Cephalopod molluscs and earthworm
  • D
    Hemichordates and non-cephalopod molluscs

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Similar Questions

Which of the following cannot be considered a characteristic of non-chordates?

Urochordata: All the members of this subphylum are:

What is the classification of the subphylum $Vertebrata$?

Assertion: Notochord is a mesodermally derived rod-like structure formed on the dorsal side during embryonic development of chordates.
Reason: Notochord is replaced by the vertebral column in the adult vertebrate.

What are the Chordates and non-chordates?

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