B2: Systems

1 Habitats

2 Food chains and webs

3 Food chains and webs

4 Toxins in food chains

5 Insects

6 Predator-prey relationships

7 Required practical: Field work

8 Required practical: Field work

9 Required practical: Field work

10 Male and female reproductive systems

11 Puberty and adolescence

12 The Menstrual Cycle

13 Fertilisation and Infertility

14 Contraception

15 Development of a foetus

16 Factors affecting a foetus

17 Labour and Childbirth

18 Revision