I. Characteristic of living organisms
1. Movement
- action
- part/whole of an organism
- cause a change of position/place
2. Respiration
- chemical reactions in cells
- break down nutrient molecules
- release energy for metabolism
3. Sensitivity
- ability to detect
- ability to respond to changes:
+ internal environment
+ external environment
4. Growth
- permanent increase: size + dry mass
5. Reproduction
- processes make more of the same kind
6. Excretion
- removal of:
+ waste product (metabolism)
+ substances (excess of requirements)
7. Nutrition
- taking in of materials, for:
+ energy
+ growth
+ development
, B2 - Cells
I. Cell structure
1. Animal Cell
2. Plant Cell
3. Bacteria cell