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Unit 6 of 9

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

AQA A Level Biology 7402 · 55 lessons · 38 quizzes

Start the first lesson

6.1

6. Organisms Respond to Changes in their Environments (A Level only)20 min

6.1

Response to Stimuli (A Level only) (Part 1)20 min

6.1

Response to Stimuli (A Level only) (Part 2)20 min

6.1

Response to Stimuli (A Level only) (Part 3)20 min

6.1

Response to Stimuli (A Level only) (Part 4)20 min

6.1

Response to Stimuli (A Level only) (Part 5)20 min

6.1.1

Survival and Response20 min

6.1.2

Growth Factors in Flowering Plants20 min

6.1.3

Indoleacetic Acid (IAA)20 min

6.1.4

Taxes and Kineses20 min

6.1.5

Reflex Arcs20 min

6.1.6

Required Practical- Investigating Animal Movement20 min

6.1.7

The Pacinian Corpuscle20 min

6.1.8

Pacinian Corpuscles- Generator Potential20 min

6.1.9

Investigating Touch and Temperature Receptors20 min

6.1.10

The Human Retina20 min

6.1.11

Myogenic Stimulation of the Heart20 min

6.1.12

Heart Rate20 min

6.2

Nervous Coordination (A Level only) (Part 1)20 min

6.2

Nervous Coordination (A Level only) (Part 2)20 min

6.2

Nervous Coordination (A Level only) (Part 3)20 min

6.2

Nervous Coordination (A Level only) (Part 4)20 min

6.2.1

Motor Neurone Structure20 min

6.2.2

Resting Potential20 min

6.2.3

Action Potentials20 min

6.2.4

Nerve Impulse Transmission20 min

6.2.5

Speed of Impulse Conduction20 min

6.2.6

Calculating Maximum Impulse Frequency20 min

6.2.7

Synapse Structure20 min

6.2.8

Synaptic Transmission20 min

6.2.9

Drugs and Synapses20 min

6.2.10

Neuromuscular Junctions20 min

6.3

Skeletal Muscles (A Level only) (Part 1)20 min

6.3

Skeletal Muscles (A Level only) (Part 2)20 min

6.3.1

Antagonistic Muscles20 min

6.3.2

The Structure of Skeletal Muscle20 min

6.3.3

Skeletal Muscle Under a Microscope20 min

6.3.5

Slow and Fast Skeletal Muscles20 min

6.3.6

Investigating Muscle Fatigue20 min

6.4

Homeostasis (A Level only) (Part 1)20 min

6.4

Homeostasis (A Level only) (Part 2)20 min

6.4

Homeostasis (A Level only) (Part 3)20 min

6.4

Homeostasis (A Level only) (Part 4)20 min

6.4.1

Principles of Homeostasis20 min

6.4.2

Negative Feedback20 min

6.4.3

Glucose Concentration and Insulin20 min

6.4.4

Glucose Regulation- Glucagon20 min

6.4.5

Glucose Regulation- Adrenaline20 min

6.4.6

Glucose Regulation- the Liver20 min

6.4.7

6.4.8

Required Practical- Determining the Concentration of Glucose in Urine20 min

6.4.10

Nephron Function20 min

6.4.11

Control of Blood Water Potential20 min

7.1.3

Muscle Contraction20 min

14.1.4

Nephron Structure20 min

Practice for this unit

6.1.1 Survival and Response – Unit exam questions

Marked questions with instant feedback and a full review.

6.1.2 Growth Factors in Flowering Plants – Exam questions

Marked questions with instant feedback and a full review.

6.1.3 Indoleacetic Acid (IAA) – Unit exam questions

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6.1.4 Taxes and Kineses – Unit exam questions

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6.1.5 Reflex Arcs – Unit exam questions

Marked questions with instant feedback and a full review.

6.1.6 Required Practical- Investigating Animal Movement – Unit exam questions

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6.1.7 The Pacinian Corpuscle – Unit exam questions

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6.1.8 Pacinian Corpuscles- Generator Potential – Unit exam questions

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6.1.9 Investigating Touch and Temperature Receptors – Unit exam questions

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6.1.10 The Human Retina – Exam questions

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6.1.11 Myogenic Stimulation of the Heart – Unit exam questions

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6.1.12 Heart Rate – Exam questions

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6.2.1 Motor Neurone Structure – Unit exam questions

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6.2.2 Resting Potential – Exam questions

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6.2.3 Action Potentials – Exam questions

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6.2.4 Nerve Impulse Transmission – Exam questions

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6.2.5 Speed of Impulse Conduction – Exam questions

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6.2.6 Calculating Maximum Impulse Frequency – Unit exam questions

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6.2.7 Synapse Structure – Exam questions

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6.2.8 Synaptic Transmission – Unit exam questions

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6.2.9 Drugs and Synapses – Exam questions

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6.2.10 Neuromuscular Junctions – Unit exam questions

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6.3.1 Antagonistic Muscles – Unit exam questions

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6.3.2 The Structure of Skeletal Muscle – Exam questions

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6.3.3 Skeletal Muscle Under a Microscope – Exam questions

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6.3.5 Slow and Fast Skeletal Muscles – Exam questions

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6.3.6 Investigating Muscle Fatigue – Unit exam questions

Marked questions with instant feedback and a full review.

6.4.1 Principles of Homeostasis – Unit exam questions

Marked questions with instant feedback and a full review.

6.4.2 Negative Feedback – Exam questions

Marked questions with instant feedback and a full review.

6.4.3 Glucose Concentration and Insulin – Exam questions

Marked questions with instant feedback and a full review.

6.4.4 Glucose Regulation- Glucagon – Unit exam questions

Marked questions with instant feedback and a full review.

6.4.5 Glucose Regulation- Adrenaline – Unit exam questions

Marked questions with instant feedback and a full review.

6.4.6 Glucose Regulation- the Liver – Unit exam questions

Marked questions with instant feedback and a full review.

6.4.7 Diabetes – Exam questions

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6.4.8 Required Practical- Determining the Concentration of Glucose in Urine – Exam questions

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6.4.10 Nephron Function – Unit exam questions

Marked questions with instant feedback and a full review.

6.4.11 Control of Blood Water Potential – Exam questions

Marked questions with instant feedback and a full review.

7.1.3 Muscle Contraction – Exam questions

Marked questions with instant feedback and a full review.