Introduction to Biology II

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Introduction to Biology II

• Biology 1312

Spring 2007
Dr. Brad Hoge
Introduction The Nature Of Science
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(No Transcript)
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10 Themes in the Study of Life

• Biology is the Study of Life
• Science is a human endeavor
• We are all naturalists
• What is life?
• Why are we interested?

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Emergent Properties

• Reductionism vs. Holism
• Hierarchy of Organization
• Ernst Mayr
• Emergent Properties

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Cells are Fundamental

• Robert Hooke
• Schleiden and Schwann
• Prokaryotes
• Eukaryotes

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DNA Makes It All Go Round

• Information
• Replication
• Inheritance

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Structure and Function

• Functional Biology
• Levels of Explanation
• Explanatory Power
• Philosophy of Science

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Energy and the Environment

• Thermodynamics
• Individuals
• Food Webs
• Ecosystems

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Homeostasis

• Regulation
• Feedback

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Diversity is the Key

• Species Concept
• Domains
• Unity of Life

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Evolution

• Evolution is the Unifying Theory of Biology
• What is a unifying theory?
• Nothing in Biology Makes Sense Except in the
  Light of Evolution
• Theodosius Dobzhansky

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Natural Selection

• Darwin
• Variation
• Selection Pressure
• Adaptation

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Science Is a Process of Inquiry

• Discovery
• Induction
• Hypothetico-Deductive Reasoning

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Hypothesis and Theory

• Observation
• Study
• Hypotheses
• Experimentation
• Reexamination
• Accumulation of Knowledge
• Theory

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The Culture of Science

• Science is a human endeavor
• Science and Technology
• Future Shock