A2 Biology Unit 1- Module 1: Homeostasis and Communication

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A Levels Biology (Unit 1) Mind Map on A2 Biology Unit 1- Module 1: Homeostasis and Communication, created by stephaniechew96 on 02/14/2015.

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A2 Biology Unit 1- Module 1: Homeostasis and Communication
1 Communication
1.1 A good communication system:
1.1.1 Covers entire body
1.1.2 Cells can communicate
1.1.3 Specific communication
1.1.4 Short and long term responses
1.1.5 Rapid communication
1.2 Controlling optimum conditions for survival
1.2.1 Temperature
1.2.2 pH
1.2.3 Aqueous environment for metabolic reactions
1.2.4 Free from toxins and inhibitors
1.3 Stimulus: A change in the environment that causes a response
1.4 Response: A change in behaviour or physiology as a result of a stimulus
2 Homeostasis
2.1 Definition
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