Q.

Select the incorrect statement about Hemichordata.

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a

The body is divided into proboscis, collar and trunk.

b

They are bilaterally symmetrical, triploblastic and coelomate animals.

c

Circulatory system is of open type.

d

Fertilisation is internal and development is direct.

answer is A.

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Detailed Solution

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In hemichordates, fertilisation is external and development is indirect.

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