What is not a common feature is perplaneta and scorpions

Options

(a) Excretory organs are malpighian tubules
(b) no appendages in abdomen
(c) Respiratory organs are trachea
(d) Both are mostly terrestrial arthropods

Correct Answer:

Respiratory organs are trachea

Explanation:

The respiratory organ in periplanata is trachea whereas in Scorpion it is book lung.