Understanding the regulatory functions of the biosphere
I can explain how the biosphere regulates the atmosphere and provides important environmental services.
- Year 10
- Edexcel B
Understanding the regulatory functions of the biosphere
I can explain how the biosphere regulates the atmosphere and provides important environmental services.
Lesson details
Key learning points
- The biosphere regulates the composition of the atmosphere.
- The biosphere maintains soil health and regulates water within the hydrological cycle.
- The biosphere provides globally important services.
Keywords
Atmosphere - the air above our heads, made up of gases, solids and liquids
Ecosystem services - benefits gained from the day-to-day functioning of the world's ecosystems that support human life
Regulate - to control, for example, the flow of water in a pipe or the temperature in a room
Soil health - the structure, composition and nutrient content of a soil; a measure of soil fertility
Hydrological cycle - the continuous recycling of water in its different states, for example via rainfall and evaporation
Common misconception
The biosphere is affected by the atmosphere but has little impact on it.
The biosphere has significant impacts on the composition of the atmosphere, affecting the concentration of gases and moisture content.
Equipment
Licence
Lesson video
Loading...
Prior knowledge starter quiz
6 Questions
Q1.What term is used for the living ‘layer’ of Earth below the atmosphere?
Q2.The tropical rainforest is a rich source of __________ for people.
Q3.Match the following terms to their definitions.
