Edexcel International GCSE (9–1) Biology (Modular) 4XBI1 · 3j
Co-ordination and response
- Code
- 3j
- In
- 3 Structure and functions in living organisms: Part 2
- Course
- International GCSE (9–1) Biology (Modular) 4XBI1
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points under 3j
- 3.30 Responding to environmental change
- 3.31 Homeostasis
- 3.32 Stimulus, receptor and effector
- 3.33 Plant responses to stimuli
- 3.34 Geotropism and phototropism
- 3.35 Auxin and phototropism
- 3.36 Nervous and hormonal communication compared
- 3.37 The central nervous system
- 3.38 Nerve impulses and rapid responses
- 3.39 Neurotransmitters and synapses
- 3.40 The reflex arc
- 3.41 Structure and function of the eye
- 3.42 Focusing and response to light intensity
- 3.43 Skin and temperature regulation
- 3.44 Adrenaline, insulin, testosterone, progesterone and oestrogen
- 3.45B ADH, FSH and LH
Points in 3 Structure and functions in living organisms: Part 2
- 3h Transport
- 3i Excretion
- 3j Co-ordination and response