GCSE OCR GATEWAY BIOLOGY HELP!!! UNIT B4 B5 and B6 PLEASE!!?!?!?!?

Donatas

New member
Hello and thank you for taking your time for reading my question,

Next week, I have an Exam on GCSE 'Gateway' Biology B by OCR.
The units are B4,B5 and B6.

The problem I have is I haven't barely revised or know any parts from these units and I cannot find any revision sites that show revision for these units.

So, I humbly ask a favour to anyone that knows revision sites that actually have B4,B5 AND B6 revision. As well as helping me revise by telling me key facts on these topics, and questions/Topics that are likely to come up.

I already have plenty tests papers printed out from the website, all I need now is a method of online revision and learning.

Thank you very much once again for reading my question.
I hope you answer it, Please.
 
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