Question

Fill in the blanks with appropriate option :

The connecting link between invertebrates and chordates is the _____________ that belongs to the phylum _______________ and has a larval form called __________ which resembles the larval form of Echinodermata.

• A. Acorn worm --- Hemichordata --- Tornaria
• B. Acorn worm --- Hemichordata --- Trochophore.
• C. Acornis worm --- Hemichordata --- Tornaria.
• D. None of these

Answer 1

The correct option is A

Acorn worm --- Hemichordata --- Tornaria

The connecting link between Invertebrates and chordates is the __Acorn worm__ and belongs to the phylum __Hemichordata__and has a larval form called __Tornaria__ which resembles the larval form of Echinodermata.