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What is the common name for the member of Cephalochordata subphylum?

Options

  1. AAscidia
  2. BSalpa
  3. CDoliolum
  4. DAmphioxus or Lancelet

Correct answer

D. Amphioxus or Lancelet

Step-by-step solution

Animals belonging to the phylum Chordata are bilaterally symmetrical, triploblastic, coelomate with organ-system level of organisation. Animals belonging to phylum Chordata are fundamentally characterised by the presence of a notochord Cephalochordata – Branchiostoma (Amphioxus or Lancelet).. The members of subphylum Vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous or bony vertebral column in the adultVertebrates have a ventral muscular heart with two, three or

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