The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Answer 2

Question

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Answer 3

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Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Answer 4

Question

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Answer 5

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

Answer 6

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

Answer 7

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Answer 11

Ch. 21.1 - Describe the conditions that scientists think...Ch. 21.1 - Compare the prebiotic soup hypothesis with the...Ch. 21.1 - Prob. 1C Ch. 21.1 - How does the ironsulfur world hypothesis differ...Ch. 21.2 - Outline the major steps hypothesized to have...Ch. 21.2 - Explain how the evolution of photosynthetic...Ch. 21.2 - Prob. 5LO Ch. 21.2 - Prob. 1C Ch. 21.2 - Prob. 2C Ch. 21.2 - VISUALIZE Draw a simple sketch illustrating the...

The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

Solution Summary: The author explains that ribonucleic acid (RNA) was the first genetic material to evolve.

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Chapter 21 Solutions