reference to water and atmospheric gases Pyramids of describe the differences between the Practical 11-14, 14-16 4.7.4 4.7.2 biomass and trophic levels of organisms within an transfer ecosystem Practical 7-11 through trophic levels describe pyramids of biomass and Practical 14-16, post 16 4.7.4 explain, with examples, how biomass is lost between the different trophic levels Biodiversity describe how to carry out a field Practical 11-14, 14-16, post 16 4.7.2 4.7.2 4.4.2 investigation into the distribution and abundance of organisms in an Practical 11-14, 14-16, post 16 ecosystem and explain how to determine their numbers in a given area Practical Post 16 Practical 14-16 Resource 14-16, post 16 describe both positive and negative Resource Post 16 4.7.3 4.7.3 4.4.1 human interactions within ecosystems 4.4.2 and explain their impact on biodiversity Practical 14-16, post 16 Practical 14-16, post 16 Resource 14-16 Resource 14-16, post 16 Resource 14-16
reference to water and atmospheric gases Pyramids of biomass and transfer through trophic levels describe the differences between the trophic levels of organisms within an ecosystem Practical 11-14, 14-16 Practical 7-11 4.7.4 4.7.2 describe pyramids of biomass and explain, with examples, how biomass is lost between the different trophic levels Practical 14-16, post 16 4.7.4 Biodiversity describe how to carry out a field investigation into the distribution and abundance of organisms in an ecosystem and explain how to determine their numbers in a given area Practical 11-14, 14-16, post 16 Practical 11-14, 14-16, post 16 Practical Post 16 Practical 14-16 Resource 14-16, post 16 4.7.2 4.7.2 4.4.2 describe both positive and negative human interactions within ecosystems and explain their impact on biodiversity Resource Post 16 Practical 14-16, post 16 Practical 14-16, post 16 Resource 14-16 Resource 14-16, post 16 Resource 14-16 4.7.3 4.7.3 4.4.1 4.4.2
SAPS%20for%20AQA%20GCSE%20specs.docx