DP Environmental Systems and Societies Questionbank

State one strength and one weakness of using the ecological footprint as a model for measuring sustainability.

Explain how models of ecosystems might be used in species conservation.

Quantitative models are frequently constructed to show the flow of energy and cycling of matter in natural systems.

To what extent can these models be useful in assessing the sustainability of named food production systems?

The soil system includes storages of inorganic nutrients.

Identify two inputs to these storages.

Explain how a community of trees in a woodland may be considered a system.

Calculate the projected percentage increase from 2007 to 2030 in CO₂ emissions for Russia.

The soil system includes storages of inorganic nutrients.

Identify two outputs from these storages.

With reference to Figure 3, calculate the difference between the highest concentration and lowest concentration of tropospheric ozone.

With reference to processes occurring within the atmospheric system identify two transfers of energy.

With reference to Figure 2, state the country that has the highest level of recycling/composting.

Outline one advantage of modelling future human population sizes.

Outline one disadvantage of modelling future human population sizes.

Suggest possible reasons for the overall trends of tropospheric ozone levels in Figure 3.

With reference to processes occurring within the atmospheric system identify two transformations of matter.