#3.2i
Understand how evolution can come about through natural selection acting on variation bringing about adaptations.
#3.2ii
Understand how organisms occupy niches according to physiological, behavioural and anatomical adaptations.
#3.2iii
Understand how reproductive isolation can lead to allopatric and sympatric speciation.
#3.2iv
Understand that there is an evolutionary race between pathogens and the development of medicines to treat the diseases they cause.