OCR Biology A PAG 11: Investigating the effect of temperature on heart rate in Daphnia.
Links with A-level Biology topics: control of heart rate; homeostasis;features of an ectotherm.
Could be also used for teaching high ability KS3 or KS4 Biology students.
Powerpoint & planning sheet designed for an observation lesson.
Students have to design their own method using the equipment provided (this is listed in slide 9 in the powerpoint).
Planning sheet is differentiated into red/amber/green tasks to stretch & challenge students.
Answers for extension questions are included in the powerpoint.
Video links are included which show the Daphnia's heart beating & how to carefully handle the Daphnia.