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  • 10 June 2024
    Luciana Pessoa
    B3.1 Gas exchange - model answers
    Question 3 
  • 10 June 2024
    Hayley Doran
    New resources for Biology 2025 exams
    According to the updates timescale above, B2.3 and B3.2 should have been released in May. They are still missing. There are 5 topics due to be released in June. We are almost half way through the month, and none of those have been completed...
  • Dear Charlotte, We have planning for all the remaining topics, and D3.1 is planned for July. If we can we will do these topics sooner. Best wishes, David
  • Dear Nicholas, Thanks for your comment pointing out the missing link.  I've added the links to the test and markscheme. You can also access all the topic tests using the menu at the top of the page. https://thinkib.net/biology/page/47708/topic-tests-for-2025-exams...