[IB Biology HL/SL] 2007 May TZ1 Paper 1 Q7Подробнее
[IB Biology HL/SL] 2007 May TZ1 Paper 1 Q16Подробнее
[IB Biology HL/SL] 2009 May TZ2 Paper 1 Q19Подробнее
![[IB Biology HL/SL] 2007 May TZ1 Paper 1 Q19](https://img.youtube.com/vi/jMKtbwfA6Bc/0.jpg)
![[IB Biology HL/SL] 2007 May TZ1 Paper 1 Q7](https://img.youtube.com/vi/gXjg05bj7lM/0.jpg)
![[IB Biology HL/SL] 2007 May TZ1 Paper 1 Q16](https://img.youtube.com/vi/HnoaKS-K6FY/0.jpg)
![[IB Biology HL/SL] 2009 May TZ2 Paper 1 Q19](https://img.youtube.com/vi/7Xm3bYq1Rak/0.jpg)