Some useful resources for students.
KS3 Science Complete Study & Practice- : superb for home learning and catch-up
Amazon price £9.67 Link
AS and A level Biology textbooks - I particularly like the A-Level Biology for AQA: Year 1 & 2 Student Book with Online Edition: perfect for home learning and 2021 assessments 29 Sept. 2020.
It costs £38.00 from amazon. Link