A-level Biology
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3.6 Responding to change
Paper 2 and Paper 3.
11 Lessons
Level 1
Tropisms, taxes, kineses and reflexes
Tropisms, taxes, kineses and reflexes
Core
Required practical 10: choice chambers and animal responses
Core
Level 2
Receptors: the Pacinian corpuscle, rods and cones
Receptors: the Pacinian corpuscle, rods and cones
Core
Level 3
Control of heart rate
Control of heart rate
Core
Level 4
Resting and action potentials
Resting and action potentials
Core
Level 5
Synaptic transmission
Synaptic transmission
Core
Level 6
Skeletal muscle contraction
Skeletal muscle contraction
Core
Level 7
Homeostasis and feedback
Homeostasis and feedback
Core
Level 8
Control of blood glucose
Control of blood glucose
Core
Required practical 11: a glucose calibration curve
Core
Level 9
The kidney and blood water potential
The kidney and blood water potential
Core