1.

To which phylum does Cockroach belong ? Justify your answer with scientific reasons .

Answer»

Solution :(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 eucoelmate , triploblastic , bilaterally segmented and segmented .
(d) Respiration by spiracles and tracheal TUBES.


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