53 Section 4: Ecology Critical thinking Problem solving Students will be assessed on their Activities: Edexcel International GCSE Problem solving Analysis and the environment ability to: Biology Student Book: Use information to explain Analysis Reasoning b) Feeding why food chains tend to be Reasoning Interpretation relatively short. relationships 4.8 understand the transfer of Interpretation Interconvert percentage and Edexcel International GCSE substances and energy a food Adaptive learning energy units as they move Biology Revision Page chain Creativity along food chain. Innovation Adaptability understand why only about 10% 4.9 Video clip: Demonstration: of energy is transferred from one BBC clip 200 () (3 min 37 Effect of moving fingers in sec) trophic level to the next. water on water temperature to illustrate heat loss. Section 4: Ecology Edexcel International GCSE Problem solving Interpretation Students will be assessed on their Activity: Analysis Adaptive learning and the environment Biology Student Book: Pages ability to: Produce a Reasoning Creativity c) Cycles within 159–161 presentation/poem/song etc. Interpretation Innovation about the carbon cycle. ecosystems 4.10 describe the stages in the Adaptive learning Personal and social ActiveBook: Page 159 carbon cycle, including respiration, Creativity responsibility Animation: photosynthesis, Innovation Intellectual interest Edexcel International GCSE Resource on ActiveBook decomposition and combustion Personal and social and curiosity (carbon cycle). responsibility Initiative Biology Revision Guide: Pages Adaptability Self-direction Water cycle 57–59 4.11B describe the stages in the Responsibility nitrogen cycle, including the roles Self- regulation ate my homework’ Class practical: of nitrogen fixing bacteria, ‘Microbes (metacognition, practical from decomposers, nitrifying bacteria. ate my homework’. ‘Microbes forethought, reflection) Practical: Ethics Demonstration:
53 Section 4: Ecology and the environment b) Feeding relationships Students will be assessed on their ability to: 4.8 understand the transfer of substances and energy a food chain 4.9 understand why only about 10% of energy is transferred from one trophic level to the next. Activities: Use information to explain why food chains tend to be relatively short. Interconvert percentage and energy units as they move along food chain. Demonstration: Effect of moving fingers in water on water temperature to illustrate heat loss. Edexcel International GCSE Biology Student Book: Edexcel International GCSE Biology Revision Page Video clip: BBC clip 200 () (3 min 37 sec) Critical thinking Problem solving Analysis Reasoning Interpretation Adaptive learning Creativity Innovation Adaptability Problem solving Analysis Reasoning Interpretation Section 4: Ecology and the environment c) Cycles within ecosystems Students will be assessed on their ability to: 4.10 describe the stages in the carbon cycle, including respiration, photosynthesis, decomposition and combustion 4.11B describe the stages in the nitrogen cycle, including the roles of nitrogen fixing bacteria, decomposers, nitrifying bacteria. Activity: Produce a presentation/poem/song etc. about the carbon cycle. Animation: Resource on ActiveBook (carbon cycle). Water cycle Class practical: ‘Microbes ate my homework’. Demonstration: Edexcel International GCSE Biology Student Book: Pages 159–161 ActiveBook: Page 159 Edexcel International GCSE Biology Revision Guide: Pages 57–59 ‘Microbes ate my homework’ practical from Practical: Problem solving Analysis Reasoning Interpretation Adaptive learning Creativity Innovation Personal and social responsibility Adaptability Interpretation Adaptive learning Creativity Innovation Personal and social responsibility Intellectual interest and curiosity Initiative Self-direction Responsibility Self- regulation (metacognition, forethought, reflection) Ethics
IGCSE-biology-scheme-of-work.docx