- Organisms adapt to suit their environment

- Plants and animals compete for certain things to survive

- Humans impact on the environment and the lives of others

- Habitats and the environment are destroyed by urbanisation & industrialisation, use of fertilisers, use of pesticides, fishing & forestry and pollution

- Global warming is increasing rapidly due to human impact

- Energy is transferred through food web trophic levels

- Carbon is a necessity to life, and is transferred through the carbon cycle

- Nitrogen is a necessity to life, and is transferred through the nitrogen cycle