two worksheets, one for Biology students and one for Higher tier combined students, differentiated to 2 levels (hence 4 worksheets in total).
AQA references: Biology: 4.5.2.4 (temperature) and 4.5.3.3 (water level control)/combined: 4.5.3.7 (thyroxine) and 4.5.3.2 (blood glucose)
Edexcel references: Biology: 7.10B (temperature and water level control)/ combined: 7.3 (thyroxine) and 7.14 and 7.14 (blood glucose)
Useful for consolidation of the term 'negative feedback' and revision of examples encountered in the course. Also has a real life example (thermostat) and relates negative feedback to their own feelings for re-enforcement. Model answers included.
AQA references: Biology: 4.5.2.4 (temperature) and 4.5.3.3 (water level control)/combined: 4.5.3.7 (thyroxine) and 4.5.3.2 (blood glucose)
Edexcel references: Biology: 7.10B (temperature and water level control)/ combined: 7.3 (thyroxine) and 7.14 and 7.14 (blood glucose)
Useful for consolidation of the term 'negative feedback' and revision of examples encountered in the course. Also has a real life example (thermostat) and relates negative feedback to their own feelings for re-enforcement. Model answers included.
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