biological structure of cockroach
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1.Body divisible into distinct head,thorax and abdomen
2.abdomen lacks appendages,head with a pair of antenna and mouth parts and thorax with three pairs of Leg and two pairs of wings.
3.Respiration by trachea
4.Triploblastic, bilaterally symmetrical and segmented animal
5.Alimentary canal is complete,mouth and anus lie at opposite ends of the body
6.Body cavity is Haemocoel
2.abdomen lacks appendages,head with a pair of antenna and mouth parts and thorax with three pairs of Leg and two pairs of wings.
3.Respiration by trachea
4.Triploblastic, bilaterally symmetrical and segmented animal
5.Alimentary canal is complete,mouth and anus lie at opposite ends of the body
6.Body cavity is Haemocoel
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