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CAS BI 108 (112)
Chapter 1

Chapter 1 Outline-Studying Life.docx

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Department
Biology
Course
CAS BI 108
Professor
Francis Monette
Semester
Spring

Description
BI108 Chapter 1 Outline: Studying Life 1.1—What Is Biology? • Life arose from non-life via chemical evolution • Cellular structure evolved in common ancestor of life • Photosynthesis allows some organisms to capture energy from the sun • Biological information is contained in a genetic language common to all organisms • Populations of all living organisms evolve • Biologists can trace the evolutionary tree of life • Cellular specialization and differentiation underlie multicellular life • Nutrients supply energy and are the basis of biosynthesis • Living organisms must regulate their internal environment Summary: All organisms are related by common descent. They contain genetic info that encodes how they look and how they function. They also reproduce, extract energy from environment, use energy to do biological work, synthesize complex molecules to construct bio structures, regulate their int
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