A LevelBiologyAQAOrganisms Respond to Changes in their Environments (A Level only)

Organisms Respond to Changes in their Environments (A Level only) (AQA A Level Biology)

Get ready for your AQA A Level Biology exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.

Response to Stimuli (A Level only)

  1. Survival & Response
  2. Growth Factors in Flowering Plants
  3. Indoleacetic Acid (IAA)
  4. Taxes & Kineses
  5. Reflex Arcs
  6. Required Practical: Investigating Animal Movement
  7. The Pacinian Corpuscle
  8. Pacinian Corpuscles: Generator Potential
  9. Investigating Touch and Temperature Receptors
  10. The Human Retina
  11. Myogenic Stimulation of the Heart
  12. Heart Rate

Nervous Coordination (A Level only)

  1. Motor Neurone Structure
  2. Resting Potential
  3. Action Potentials
  4. Nerve Impulse Transmission
  5. Speed of Impulse Conduction
  6. Calculating Maximum Impulse Frequency
  7. Synapse Structure
  8. Synaptic Transmission
  9. Drugs & Synapses
  10. Neuromuscular Junctions

Skeletal Muscles (A Level only)

  1. Antagonistic Muscles
  2. The Structure of Skeletal Muscle
  3. Skeletal Muscle Under a Microscope
  4. Muscle Contraction
  5. Slow & Fast Skeletal Muscles
  6. Investigating Muscle Fatigue

Homeostasis (A Level only)

  1. Principles of Homeostasis
  2. Negative Feedback
  3. Glucose Concentration & Insulin
  4. Glucose Regulation: Glucagon
  5. Glucose Regulation: Adrenaline
  6. Glucose Regulation: the Liver
  7. Diabetes
  8. Required Practical: Determining the Concentration of Glucose in Urine
  9. Nephron Structure
  10. Nephron Function
  11. Control of Blood Water Potential

Response to Stimuli (A Level only)

  1. Exam Questions

Nervous Coordination (A Level only)

  1. Exam Questions

Skeletal Muscles (A Level only)

  1. Exam Questions

Homeostasis (A Level only)

  1. Exam Questions
AQA A Level Biology Past Papers