Give two reason for including cockroach under phylum arthropoda

1.	Give two reason for including cockroach under phylum arthropoda
Answer» 1) Cockroach BELONGS to the phylum Arthropoda and class Insecta. (2) Scientific reasons for placement of Cockroach in the phylum Arthropoda : (a) The body is covered by CHITINOUS exoskeleton. (b) Jointed appendages present, three PAIRS of walking legs and two pairs of MEMBRANOUS wings . (c) Body is eucoelomate, triploblastic, bilaterally segmented and segmented. (d) Respiration by spiracles and tracheal TUBES.

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