Heart of hemichordates is

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Ventral

Dorsal

Lateral

Absent

answer is B.

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Detailed Solution

Concept: The hemichordates are free living muscular organisms which are simply marine. They're nearly related to chordates but don't have notochord.
The structural features are
They've muscular bodies divided into anterior conk, intermediate collar and posterior box. Proboscis is a long tube-like structure which the beast uses for burrowing.
Mouth located in between the conk and collar.
Caddies contain perforated gills, pharynx, food pipe, intestine and anus.
A concave neural tube is present.
The circulatory system is open and the heart is rearward( aft side).
A rudimentary notochord-like structure called the stomochord is present.
Frontal heart- The heart of the chordates is frontal. The mortal beings, catcalls, belong to the phylum chordata.
Side heart-Side heart is known as pseudoheart. It's present in earthworms.
Hence, option 2 is the correct answer

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