วันจันทร์ที่ 16 มกราคม พ.ศ. 2555

2.76 Sensitivity



- Characteristics of life:
M.R.S.G.R.E.N.
- S = Sensitivity. This is the characteristic in which organisms respond to changes in the environment.
- Type of change in the environment:
+ changes in light levels
+ Temperature
+ Pressure levels
+ Chemicals
- To be able to detect the changes in the environment, organisms need to have receptors. In order to respond to the changes in the environment, organisms need to have effectors (eg. muscles and glands)
- The response that ensures that the organisms is able to survive the changes in the environment.

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