NEET | 2016Body Fluids and CirculationHard

Question

Which of the following features is not present in Periplaneta americana?

Options

A.

Schizocoelom as body cavity

B.

Indeterminate and radial cleavage during embryonic development

C.

Exoskeleton composed of N - acetylglucosamine

D.

Metamerically segmented body

Solution

Periplaneta americana shows indeterminate and spiral cleavage.

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