Larvae of which group are similar to chordates?
Correct answer: A. Echinodermata
- A. Echinodermata
- B. Annelida
- C. Arthropoda
- D. Nematoda
Explanation
Option[A] The larvae of echinodermata [called dipleurula larva] are characterized by bilateral symmetry. The larvae of chordates[ tornaria larva] also have bilateral symmetry so option [A] IS RIGHT.The other options are eliminated as follows:Option [B] Annelida has a free swimming trochophore larvae which is different from that of chordates.Option [C] Arthropods have larva [called instar or nymph] that is different from larvae of chordates.Option [D] Nematoda has a larval stage during their life cycle which is quite different from chordates.
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