Yes, there are acoustic guitar scales and exercises that can be practiced to improve your skills and dexterity. Scales are a fundamental part of learning to play the guitar and can help with finger strength, coordination, and speed. Some common scales to practice on the acoustic guitar include the major scale, pentatonic scale, and blues scale. In addition to scales, there are also exercises such as fingerpicking patterns, chord progressions, and arpeggios that can help improve your playing.