Which of the following organisms has a respiratory system that does not require assistance from a circulatory system for gas exchange?
A) grasshopper
B) mouse
C) carp
D) crayfish

Question

Quizplus · Accepted Answer

Grasshoppers have a system of internal tubes called tracheae that allow direct diffusion of gases (oxygen and carbon dioxide) between the atmosphere and cells. Unlike the other organisms listed, they do not rely on a circulatory system to transport gases to and from their cells for respiration.

Which of the Following Organisms Has a Respiratory System That