Question

explain external features of cockroach

Answer 1

Answer:

They are the head, thorax, and abdomen. There is a hard exoskeleton that is brown n color, made of chitin. The hardened plates of the exoskeleton are called the sclerites. A cockroach is a dioecious animal, with separate male and female sexes.

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Answer 2

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• External features
• The body of the cockroach is elongated and segmented. It is dark brown or reddish brown in colour. —on ventral side are called Sternum. The exoskeleton is coated with wax impermeable to water.