Which of the following features is not present in Periplaneta americana

Options

A. Indeterminate and radial cleavage during emryonic development
B. Exoskeleton compose of N-acetylglucosamine
C. Metamerically segmented body
D. Schizocoelom as body cavity

Answer

a

Explanation

Cockroach has determinate cleavage during embryonic development and it develops into ny1nph, which is a fully developed cockroach except its size as it is much smaller than the adult one.