Homeostasis

Types of Adaptations

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Ben Whitten

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What is an adaptation?
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Adaptations are the features and strategies which assist organisms in surviving in a particular environment, including by maintaining their internal environment within tolerance limits. The three main adaptations include;


  • Physiological processes

  • Structural features

  • Behavioural adaptations

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What are physiological adaptations?
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Physiological adaptations are related to how an organism, system, organ, tissue or cell functions. These are internal body processes which take place in order to regulate and maintain homeostasis for an organism to survive in its particular environment. 


Physiological processes maintain a balanced, internal environment through monitoring and adjusting as conditions change, and these involve the three quintessential components of a negative feedback system, including a receptor, control centre and effector.


There are a number of examples for physiological adaptations which are common in different environments, particularly in terms of thermoregulation and osmoregulation.

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Homeostasis
The Nervous System
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Tolerance Limits
Effects of Tolerance Limit Deviation
Types of Adaptations
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What are structural adaptations?

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Structural adaptations are those related to an organism's shape, specialised features and size. These particular adaptations will usually enhance an organism's chances for survival in particular environments. These features usually have a function, including cell structure and the size and shape of an organism.

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What are behavioural adaptations?
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Behavioural adaptations are those related to how an organism acts in order to increase its chances for survival in environments.

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