Monday 16 January 2012

2.76 Sensitivity

Sensitivity is the characteristic in which organism respond to changes in their environment.


The different types of stimuli are:
- Light                     - Temperature         -Pressure          - Chemical


To detect the changes in the environment, organisms are required to have receptors 
The response is produced by effectors which are muscles or glands. 


It is the response that ensures the organism is able to survive the changes in the environment.

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