Solve this:

22. Name the structure which are present on in the male cockroach. 
23. Which is the grinding organ and what does it possess for grinding?

 

Dear student

Please refer the solution below for the said query


22.
A pair of short anal styles are only present in male cockroaches.

23.
The gizzard is the grinding organ in cockroach that contains inner layer with six chitinous teeth for grinding. 

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