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What is Life?
The difficulties of defining life
Core Concepts in Biology
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The Characteristics of Life (Part 1)
How living things are built and grow over time
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The Characteristics of Life (Part 2)
How organisms stay alive and internally regulate
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Cell Theory
The three principles that underly the importance of cells
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Chemistry of Life
The chemical building blocks of organisms
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Metabolism
How organisms process energy
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Homeostasis
The methods that stabilize the internal environments of organisms
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Gene Theory
How organisms pass on traits to the next generation
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Evolution
How natural selection fuels adaptation and speciation