Year Term 2/3 1.9.1 Ecosystems, Understanding The interdependence of Worksheet Describe how food webs are 7 3 Interdependence food webs organisms in an 1.9.1a; made up of a number of ecosystem, including Worksheet 3.9.1 food chains. food webs 1.9.1b; Make predictions about Technician’s factors affecting plant and 1.9.1 animal populations. Analyse and evaluate changes in a food web. Year Term 3 1.9.2 Ecosystems, Understanding How organisms affect, Describe how toxins pass Worksheet 1.9.2; 7 3 Interdependence the effects of and are affected by, Technician’s along the food chain. toxins in the environment, including 1.9.2 3.9.1 Explain how toxins enter environment the accumulation of and accumulate in food toxic materials chains. Evaluate the advantages and disadvantages of using pesticides. Year Term 4 1.9.3 Ecosystems, Exploring the The interdependence of Describe the impact of low Worksheet 1.9.3; 7 3 Interdependence importance of organisms in an Practical sheet pollination on fruit insects ecosystem, including 1.9.3 3.9.1 production. insect-pollinated crops Explain why artificial The importance of plant pollination is used for some reproduction through crops. insect pollination in Evaluate the risks of human food security monoculture on world food security. Year Term 4 1.9.4 Ecosystems, Exploring The interdependence of Worksheet Describe ways in 7 3 Interdependence ecological organisms in an 1.9.4a; organisms affect their balance ecosystem, including Worksheet 3.9.1 environment. insect-pollinated crops 1.9.4b; Explain why prey Technician’s populations affect predator notes 1.9.4 How organisms affect, populations. and are affected by, Evaluate a model of their environment, predator–prey populations including the and explain the importance accumulation of toxic of predators. materials
Year 7 Term 3 2/3 1.9.1 Ecosystems, Interdependence 3.9.1 Understanding food webs The interdependence of organisms in an ecosystem, including food webs Describe how food webs are made up of a number of food chains. Make predictions about factors affecting plant and animal populations. Analyse and evaluate changes in a food web. Worksheet 1.9.1a; Worksheet 1.9.1b; Technician’s 1.9.1 Year 7 Term 3 3 1.9.2 Ecosystems, Interdependence 3.9.1 Understanding the effects of toxins in the environment How organisms affect, and are affected by, environment, including the accumulation of toxic materials Describe how toxins pass along the food chain. Explain how toxins enter and accumulate in food chains. Evaluate the advantages and disadvantages of using pesticides. Worksheet 1.9.2; Technician’s 1.9.2 Year 7 Term 3 4 1.9.3 Ecosystems, Interdependence 3.9.1 Exploring the importance of insects The interdependence of organisms in an ecosystem, including insect-pollinated crops The importance of plant reproduction through insect pollination in human food security Describe the impact of low pollination on fruit production. Explain why artificial pollination is used for some crops. Evaluate the risks of monoculture on world food security. Worksheet 1.9.3; Practical sheet 1.9.3 Year 7 Term 3 4 1.9.4 Ecosystems, Interdependence 3.9.1 Exploring ecological balance The interdependence of organisms in an ecosystem, including insect-pollinated crops How organisms affect, and are affected by, their environment, including the accumulation of toxic materials Describe ways in organisms affect their environment. Explain why prey populations affect predator populations. Evaluate a model of predator–prey populations and explain the importance of predators. Worksheet 1.9.4a; Worksheet 1.9.4b; Technician’s notes 1.9.4
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