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🌍 How Did Life Begin? | Conditions of Early Earth & the Origin of Cells

In this video, we explore one of biology’s biggest questions — how did life arise from nonliving matter? Dive deep into the conditions of early Earth that set the stage for the origin of cells and the evolution of living organisms. We’ll discuss key theories, from the Miller-Urey experiment to the formation of protocells, and how RNA and membranes may have been the first steps toward modern life.

This lesson aligns perfectly with IB Biology Topic A2.1 (Origins of Cells) and AP Biology Unit 1 (The Chemistry of Life). Whether you’re studying for your IB or AP exam, this video will help you connect key ideas about abiogenesis, chemical evolution, and the transition from molecules to cells.

🎯 Topics Covered:

The environmental conditions of early Earth
The Miller-Urey experiment and chemical synthesis of organic compounds
Formation of polymers, membranes, and protocells
The RNA World Hypothesis
The emergence of prokaryotic and eukaryotic cells

🧠 Perfect for review, exam prep, or in-class reinforcement.

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