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2030922
A2 Biology Unit 1- Module 1: Homeostasis and Communication
Description
A Levels Biology (Unit 1) Mind Map on A2 Biology Unit 1- Module 1: Homeostasis and Communication, created by stephaniechew96 on 14/02/2015.
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biology
unit 1
a levels
Mind Map by
stephaniechew96
, updated more than 1 year ago
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stephaniechew96
over 9 years ago
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Resource summary
A2 Biology Unit 1- Module 1: Homeostasis and Communication
Communication
A good communication system:
Covers entire body
Cells can communicate
Specific communication
Short and long term responses
Rapid communication
Controlling optimum conditions for survival
Temperature
pH
Aqueous environment for metabolic reactions
Free from toxins and inhibitors
Stimulus: A change in the environment that causes a response
Response: A change in behaviour or physiology as a result of a stimulus
Homeostasis
Definition
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