Study the diagram and use it to answer question 9 The parts labeled I, II, and III are known respectively as

Based on the diagram, the part labeled I is the rump, the part labeled II is the ear, and the part labeled III is the whiskers. The rump is the hind part of an animal's body, specifically the area around the hips and tail. The ear is an organ on the head of an animal that is used for hearing and balance. The whiskers, also known as vibrissae, are long, stiff hairs located on the face of an animal that are used for sensing the environment and detecting movement. Therefore, the correct option is "rump, ear, and whiskers".