1. Introduction to Biology II
Spring 2007
Dr. Brad Hoge
Introduction –
The Nature
Of Science

3. 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?

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

5. Cells are Fundamental Robert Hooke Schleiden and Schwann Prokaryotes
Eukaryotes

6. DNA Makes It All Go Round
Information
Replication
Inheritance

7. Structure and Function
Functional Biology
Levels of Explanation
Explanatory Power
Philosophy of Science

8. Energy and the Environment
Thermodynamics
Individuals
Food Webs
Ecosystems

9. Homeostasis
Regulation
Feedback

10. Diversity is the Key
Species Concept
Domains
Unity of Life

11. 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

12. Natural Selection
Darwin
Variation
Selection Pressure
Adaptation

13. Science Is a Process of Inquiry
Discovery
Induction
Hypothetico-Deductive Reasoning

14. Hypothesis and Theory Observation Study Hypotheses Experimentation
Reexamination
Accumulation of Knowledge
Theory

15. The Culture of Science Science is a human endeavor
Science and Technology
Future Shock