Question

Answer in one word or one line.
(A) Give the common name of Periplaneta americana.
(B) How many spermatheca are found in earthworms?
(C) What is the position of ovaries in cockroaches?
(D) How many segments are present in the abdomen of a cockroach?
(E) Where do you find Malpighian tubules?

Answer 1

The above questions which are given above are mainly regarding the cockroach and earthworm like their body structure and position of some reproductive parts and as we know that earthworms are divided into segments, similarly cockroaches also have segments, where we discuss all this in brief.

Complete answer:
Peripalanta America are called as American cockroaches, though they got that name the native of them is Africa, where among all the cockroaches this one have the largest body and this one undergo molting or metamorphosis more time that is 6 to 14 times in their lifetime, and their life is long that is almost 700 days, this cockroaches body have length of 4cm, and the tall of 7mm, where they are reddish brown around body and yellow margin around the pronotum. The main difference between mature and immature one is that wingless cockroaches are immature.
A) The common name for the periplaneta America is American cockroach.
B) Spermatheca are pouch-like bags present in earthworms to store the sperms and they are 4 pairs.
C) The ovaries in the cockroaches are situated around $4^{th}$ to $6^{th}$ abdominal tegmen.
D) The abdomen of the cockroach consists of 10 segments.
E) In the cockroach the malpighian tubules are generally present at the junction of midgut and hindgut of the alimentary canal of the cockroach.

Note: The earthworm is the terrestrial invertebrate which lives in the burrows of the soil and the body of earthworm is divided into segments and they have thin skin, which helps in cutaneous respiration, this are hermaphrodites, so that Both male and female reproductive parts are present in one worm.