maam , what are annal styles? what are anal cerci? ....show wid a diagram plz
Anal cerci are a pair of appendages at the end of the abdomen, arising from near the 10th segment of the body of cockroach. These are present in both males and females. Anal cerci are important sense organs of the organism as they are wind sensitive and detect vibrations.
Source: Class XI Biology, NCERT.
Anal style are a pair of thread like appendages arising from the 9th segment of the male cockroaches. They are characteristic feature of male arthropods and help in copulation.