Question

Differentiate between male and female cockroach on the basis of external morphology.

Answer 1

Cockroaches are rodents that inhabit damp and unhygienic areas. They are dark brown and belong to the Arthropoda phylum, the Blattidae family, and the Insecta class.

Complete answer:

Male cockroach	Female Cockroach
i) A male cockroach is smaller in size.	i) A female cockroach is bigger in size than a male cockroach.
ii) The male cockroach's abdomen is slender	ii) The female cockroach's abdomen is boat-shaped and blunt.
iii) The male cockroach 's wings are broader..
iv) Male cockroaches have smaller antennas than females	iii)The antennas are relatively larger than the male antennas.
v) In the 4th and 6th segments of the abdomen, the male reproductive system consists of a pair of testes present laterally.	iv) In the 2nd and 6th segments of the abdomen, the female reproductive system consists of two ovaries.
vi) The mesothorax's sternum is not bifurcated.	v) A bifid is the sternum of the mesothorax.
vii) A pair of thin, un-jointed anal styles are present in the 9th abdominal sternum and a pair of long, palp-like jointed anal cerci are present in the 10th abdominal tergum.	vi) There is only a pair of anal cerci present in female cockroaches.
viii)Brood pouch is not found.	vii) Brood pouch is found.

Note:
-Since the time of dinosaurs, cockroaches have been around!
-A cockroach can live without food for nearly a month.
-A cockroach will live without water for approximately two weeks.
-Only once do some female cockroaches mate and remain pregnant for life!
-Without its head, a cockroach will live for up to one week!
-For up to 40 minutes, cockroaches will hold their breath!
-Cockroaches are capable of running up to 3 miles per hour.