Bass scales from the modes of the major scale will help you choose and create awesome bass lines. Once you know these bass scales and know where to use them your playing choices become greater and your lines will be more colorful. Your bass playing skills will be in demand. Knowing these scales and practice routines will build strength in your hands and working the plucking and fretboard hand together creates more consistency between the two. Its the little minute things that you as a student will dial in that impact your bass playing the most. Also playing these scales repeatedly will develop your ability to hear these tones and how they function in a scale for better note positioning within a chord progression. I practice scales everyday several times a day building dexterity in your hands is probably the most important asset to your ability of bass playing. Its not how many notes you can play in a bar but the tone you deliver from playing that one note at a time which will make a huge difference in whether you get picked for that gig of studio spot and the best way to develop that intonation for every note played is repetition repetition repetition. Scales make communicating with other musicians more effective giving you a precise way to explaining your composition to fellow musicians, saving more time for honing the music between players.