A-Level Biology Edexcel B 9BI0

3.2: Natural selection

#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.

3.1
Classification
3.3
Biodiversity