Chapter 1 (2)

Chapter 1 (2) - Chapter 1 Introduction to life on earth...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 1 – Introduction to life on earth What is the science of biology? o The study of life Principles underlying all science o All events can be attributed to natural causes Explanations don’t invoke supernatural powers Do not specifically exclude them; they just can’t be studied using science. o Natural laws apply at all places and all times. o People perceive events in similar ways. Misconceptions about science o Scientists “prove” things o “It is just a theory” o Science vs. religion The scientific method o Observation – something unexpected happens o Hypothesis – explanation; if/then prediction o Experiment – controlled test; challenge prediction o Conclusion – supports or doesn’t support hypothesis; if conclusion doesn’t support hypothesis you go back and modify hypothesis and start over. Penicillin o Fleming, 1920 o Culture dish became contaminated o Bacteria wouldn’t grow near Penicillium mold o Extracted fluid from mold
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/20/2012 for the course BIOL 1001 taught by Professor Minor during the Fall '08 term at LSU.

Page1 / 3

Chapter 1 (2) - Chapter 1 Introduction to life on earth...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online