Biology Paper 2

• structure and function of the nervous system

• human endocrine system

• control of blood glucose concentration

• hormones in human reproduction

• contraception

Higher content:

•  use of hormones to treat infertility 

• negative feedback

Triple content:

• the brain

• the eye

• maintaining water and nitrogen balance in the body (kidneys)

• plant hormones including tropism and uses of plant hormones 

Required Practical

•  Reaction time

• Germination (triple only)

Inheritance and evolution

• Meiosis

• DNA & the genome

• inheritance & inherited diseases 

• evolution

• classification

• fossils and other evidence for evolution

• genetic engineering

Triple:

• sexual v asexual reproduction

• DNA structure and protein synthesis

• cloning methods

• Darwin, Wallace, Mendel and the Evolution

• Speciation

Ecology

• The organisation of ecosystems

• adaptations

• interdependence & competition

• biodiversity

Triple content: 

• decomposition

• trophic levels & pyramids of biomass/energy

• farming, fishing & food security

• biotechnology 

Required Practical

• Sampling - quadrats and transects

• Decay (triple only)