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Characteristics of life
Bio molecules
Prokaryotic and Eukaryotic
Energy: Photosynthesis Energy: Cellular
Cell Division: Mitosis
Cell Division: Meiosis
Protein Systhisis
Genetics
Natural Selection
Energy: Food Chain, Food Webs
Human Impact on the Environment
Classifications
Behaviors
Animations
The end
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In nature there is a rule, and that is the survival of the fitest. That's just how natural selection works. You can survive is you work the best. The people who die off die off quickly.