Question

explain morphology of the cockroach with diagram of external features of the cockroach...​

Answer 1

★ COCKROACH :

Cockroach are brown or black bodied animals that are included in class Insecta of phylum arthropoda.

• Biological name of the cockroach is Periplaneta Americana.

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★ MORPHOLOGY OF COCKROACH :

• The adults of the common species of the cockroach, are about 34-53 mm long with wings that extend beyond the tip of the abdomen in males.
• The body of cockroach is segmented and divisible into three distinct regions : head, thorax and abdomen.
• The entire body is covered by a hard chitinous exoskeleton.
• Head is triangular in shape and lies in anteriorly at right angles of the longitudinal body axis.
• The head capsule bears a pair of compund eyes.
• The mouth parts consisting of a labrum, a pair of mandibles, a pair of maxillae and labium.
• Thorax consists of three parts :- prothorax, mesothorax and metathorax.
• The abdomen in both males and females consists of 10 segments.