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Study of Life Themes & Concepts

Study of Life Themes & Concepts. Umbrella Concepts. Big Ideas and Recurring Principles. Why study Big Ideas in Biology?. Biology is an ever expanding body of knowledge… too much to memorize it all need to generalize create a framework upon which to organize new knowledge

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Study of Life Themes & Concepts

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  1. Study of Life Themes & Concepts

  2. Umbrella Concepts Big Ideas and Recurring Principles

  3. Why study Big Ideas in Biology? • Biology is an ever expanding body of knowledge… • too much to memorize it all • need to generalize • create a framework upon which to organize new knowledge • themes (Big Ideas) are fundamental in understanding the nature of living organisms

  4. Big Idea #1 The process of evolution drives the diversity and unity of life.

  5. Organizing Life’s Diversity • Making sense out of the diversity • Hierarchical scheme

  6. Nothing in biology makes sense exceptin the light of evolution. — Theodosius Dobzhansky

  7. Evolution • core theme of biology Yup… I’m da MAN! Charles Darwin

  8. It also shows how ALL life is related to one another! Evolution • evolutionary adaptation is a product of natural selection

  9. ANY Thoughts?? Unity & Diversity • Dual aspects of life on earth • Unity • What do organisms have in common? • Why do similarities exist? • Diversity • What differences are there between organisms?

  10. Unity & Diversity • Unity • evolutionary relationships • connected through a common ancestor • Diversity • natural selection • adaptations in different environments

  11. Big Idea #2 Biological systems utilize free energy and molecular building blocks to grow, to reproduce, and to maintain dynamic homeostasis.

  12. Energy Transfer • life is an open system • organisms continuously interact with the environment • stuff comes instuff goes out • energy is used Entropy rules!

  13. Energy Transfer

  14. Levels of organization

  15. Form follows function • structure & function are correlated at all levels of biological organization

  16. Big Idea #3 Living systems store, retrieve, transmit, and respond to information essential to life processes.

  17. Continuity & Change • Continuity of life is based on heritable information in the form of DNA • DNA – the genetic material – carries biological information from 1 generation to the next

  18. Which science is growing the fastest in new knowledge? MOLECULAR BIOLOGY!! Genomics & proteomicsprojects are driving research

  19. Big Idea #4 Biological systems interact, and these systems and their interactions possess complex processes.

  20. Regulation • regulatory mechanisms ensure a dynamic balance through feedback

  21. Interdependence • no organism is an island standing alone

  22. Science, Technology & Society • science & technology must function within the framework of society • bioethics

  23. Science Practices… Really, what this course is all about!

  24. Science as a Process of Inquiry • repeatable observations & testable hypothesis

  25. Science is a verb! NOT A NOUN! Get ready to do some… Science as a Process of Inquiry

  26. This class is best when there are questions! Any Questions?

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