Overview
Qualification Grading Type
Graded
Graded
Understand the structure of ecosystems.
Explain the components of ecosystems.
Discuss how abiotic factors affect distribution of species.
Analyse inter-relationships between species.
Understand the flow of energy in ecosystems.
Explain food chains and food webs.
Analyse the flow of energy through a food chain.
It is important that assessment tasks allow genuine ANALYSIS of energy flow, e.g. using examples of energy values
Explain photosynthesis as a cellular process which introduces energy and food chains.
Know some of the influences of humans on ecosystems.
Discuss causes and effects of global warming.
Discuss causes and effects of loss of biodiversity.
Discuss one other human influence on ecosystems.
Know how to carry out ecological sampling and understand conservation techniques.
Analyse sample data from a habitat to explain distribution of species.
Compare conservation techniques used in more than one habitat.
Explain two ecological sampling techniques.