Practical Skill: Investigate the Effect of Minerals on Plant Growth Photosynthesis produces carbohydrates Carbohydrates contain the chemical elements carbon, hydrogen and oxygen, which can b...
How Production is Affected by Farming Practices Farming practices can?increase?the?efficiency of energy transfer?in order to increase the total amount of energy available for?human consumpti...
Maths Skill: Calculating Percentage Yield Farmers use various strategies to increase the?yield?of their crops or livestock. These strategies include: Reducing energy losses?from crops to?oth...
Maths Skills: Calculating Productivity and Efficiency within Ecosystems Given the appropriate data, it is possible to calculate the?net productivity?of?producers?or?consumers?and the?efficie...
Primary & Secondary Productivity During photosynthesis, primary producers (such as plants and algae) convert light energy into chemical energy in biological molecules The storing of this...
Trophic Levels Net primary production (NPP) is the chemical energy that is?stored?in the plant’s?biomass?(after?respiratory losses have been taken into account) This means NPP is the energy ...
Net Primary Production During photosynthesis, primary?producers?(such as plants and algae) convert light energy into chemical energy in biological molecules Gross primary production?(GPP) ca...
Gross Primary Production During?photosynthesis, primary?producers?(such as plants and algae) convert?light?energy to?chemical?energy stored within?biological molecules Gross primary producti...
Biomass The?biomass?of an organism (or of a sample of tissue from an organism) is: The mass of?living material?of the organism or tissue The?chemical energy?that is?stored?within the organis...
