2.2.15 Worksheet Quick starter; Include the impact Describe ways in which How organisms affect, and are Learning about affected by, their environment, organisms affect their 2.2.15a; Slideshow: A look at of human activity ecological including the accumulation of environment Worksheet the predator-prey from lesson 2.2.14 balance toxic materials Explain why prey 2.2.15b relationship populations affect between a predator populations Canadian lynx and Evaluate a model of a Snowshoe hare; predator–prey Interactive activity: populations and explain Sort the statements the importance of into those which predators refer to predators and those which refer to prey organisms 2.2.16 Worksheet 2.2.16 Quick starter; Describe how toxins How organisms affect, and are Understanding affected by, their environment, pass along the food Interactive activity: the effects of including the accumulation of chain Match the farming toxins in the toxic materials Explain how toxins enter chemical to its use; environment and accumulate in food Slideshow: A look at chains bioaccumulation of Evaluate the advantages mercury and disadvantages of using pesticides 2.2.17 Worksheet 2.2.17; Quick starter; Describe the role of How organisms affect, and are Exploring how affected by, their environment, niches Practical sheet Interactive activity: organisms including the accumulation of 2.2.17; Explain the concept of Define four key toxic materials resource partitioning ecological terms; Technician’s notes 2.2.17 Analyse and evaluate Hangman: Key the role of variation in vocabulary game enabling organisms to co-exist
2.2.15 Learning about ecological balance How organisms affect, and are affected by, their environment, including the accumulation of toxic materials Describe ways in which 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 2.2.15a; Worksheet 2.2.15b Quick starter; Slideshow: A look at the predator-prey relationship between a Canadian lynx and a Snowshoe hare; Interactive activity: Sort the statements into those which refer to predators and those which refer to prey organisms Include the impact of human activity from lesson 2.2.14 2.2.16 Understanding the effects of toxins in the environment How organisms affect, and are affected by, their 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 2.2.16 Quick starter; Interactive activity: Match the farming chemical to its use; Slideshow: A look at bioaccumulation of mercury 2.2.17 Exploring how organisms How organisms affect, and are affected by, their environment, including the accumulation of toxic materials Describe the role of niches Explain the concept of resource partitioning Analyse and evaluate the role of variation in enabling organisms to co-exist Worksheet 2.2.17; Practical sheet 2.2.17; Technician’s notes 2.2.17 Quick starter; Interactive activity: Define four key ecological terms; Hangman: Key vocabulary game