Biology is in the College of Letters and Sciences which does not admit by major.
These are the averages for last year’s Freshman class so compare your stats to the averages. Aim for at least the average or above for the best chances. Also your personal insight essays, EC’s and HS course rigor along with UC Capped weighted GPA and test scores will all be considered during the application review.
2018 UC capped weighted GPA averages: UCSB: 4.13
SAT: 1385
ACT: 31
Admit rate — Overall :32.3%
Admits: 29,782
Applicants: 92,305
California Residents (% of admits): 66.2%