2.76 Sensitivity

Key Points:
1. Organisms are able to respond to changes in the environment.
2. S from MRSGREN stands for sensitivity. This characteristic enables organisms to respond to changes in the environment.
3. Types of change = Light levels, Temperature, Pressure and Chemical changes.
4. To detect and respond to these stimuli, the organism must possess receptors and effectors.
5. An example of an effector is a muscle or a gland.