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Q.

Read the following characteristic features.

(a) Classified as a chordate previously 

(b) Worm-like body

(c) Proboscis, collar and trunk are the body divisions  

(d) Pharyngeal gills for breathing

The above characteristics are noticed in

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a

Branchiostoma

b

Balaenoptera

c

Balanus

d

Balanoglossus

answer is D.

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Detailed Solution

Balanoglossus is a hemichordate. It was classified as chordate mistaking stomochord for notochord. It has a worm-like body with a proboscis, collar and trunk. It has pharyngeal gill slits like chordates.

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