All cells must OBTAIN ENERGY to survive (Option 1). Eukaryotic cells obtain generally energy from foods (heterotrophic organisms) or sunlight (autotrophs).
All cells must obtain energy to carry out their metabolic activities (e.g., differentiation, growth, reproduction, etc).
Autotrophic organisms (e.g., plants and algae) obtain energy from sunlight, which is subsequently used to synthesize simple carbohydrates (e.g., sugars) by a mechanism known as photosynthesis.
Heterotrophic organisms (e.g., animals and fungi) obtain energy stored in the chemical bonds of foods.
In conclusion, all cells must OBTAIN ENERGY to survive (Option 1). Eukaryotic cells obtain generally energy from foods (heterotrophic organisms) or sunlight (autotrophs).
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