You are an entomologist interested in learning more about the flight motor center of the dragonfly. which part of its body should you study

The part of the dragonfly's body that you should study in order to learn more about its flight motor center is the THORAX.

A dragonfly is made up of 3 main body parts. These are head, thorax, and abdomen.

The thorax is the center of locomotion. It controls the head, wings, and legs movements. The wings of the dragonfly are directly connected to the large muscles within the thorax. 

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem