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...
Edexcel IGCSE Biology 复习笔记 1.2.3 Eukaryotic Organisms: Fungi & Protoctists Fungi Main features of fungi: They are usually multicellular but some are single-celled (e.g. yeast)...
Edexcel IGCSE Biology 复习笔记 1.2.2 Eukaryotic Organisms: Animals & Plants Animals The main features of animals: They are multicellular Their cells contain a nucleus with a distinct mem...
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...
Edexcel IGCSE Biology 复习笔记 1.2.1 Eukaryotic Organisms Common Features of Eukaryotic Organisms: Basics All living organisms can be grouped or 'classified' using a classification system that cons...
Edexcel IGCSE Biology 复习笔记 1.1.6 Living Organisms: Reproduction & Growth Reproduction Reproduction is the process that leads to the production of more of the same kind of organism Reproduct...
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 ...
Edexcel IGCSE Biology 复习笔记 1.1.5 Living Organisms: Movement & Control Movement Movement is an action by an organism causing a change of position or place The movement of an or...
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...
