Which arthropods have mandibles, gills, excretory glands, and statocysts?

A) mites
B) insects
C) spiders
D) scorpions
E) crustaceans

Mandibles

The lower jaws or jawbones of vertebrates, or the pair of mouthparts in arthropods used for biting and grinding food.

Gills

Respiratory organs found in many aquatic organisms, allowing for the exchange of oxygen and carbon dioxide with water.

Statocysts

Statocysts are sensory organs found in some animals, used for detecting gravity and orientation.