1. Life-sustaining processes and survival of species
Characteristics of living things

2. Cells All living organisms have cells
Cells are the smallest unit of life

3. Characteristics of living things
It has a complex, cell-based structure
It reacts to stimuli ( Sound, light, heat,…)
It has exchanges with its environment (nutrition, respiration,…)
It grows and develops.
It requires energy.
It reproduce.
It adapts to changes in its environment.
Characteristics of living things

4. Demonstrating the characteristics of living things
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