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Welcome to Biology Lab 160N

Welcome to Biology Lab 160N. Your lab instructor: Brett Klaassen. About me. I’m Brett Klaassen. About the course We will be using thinkbiologically.com (not moodle .)

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Welcome to Biology Lab 160N

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  1. Welcome to Biology Lab 160N Your lab instructor: Brett Klaassen

  2. About me. I’m Brett Klaassen

  3. About the course We will be using thinkbiologically.com (not moodle.) Why? Because Moodle costs the University lots of money, it barely works correctly, and often falls short of basic requirements. Also, thinkbiologically.com allows the information to be freely available to the public. Your tax dollars are paying me to be here, so the info should be free to everyone, right? This course is somewhat random. Your first three lectures were on the golden ratio, the scientific method, marsupial wolves, and atoms. This will be both exciting and frustrating. Sorry. This class is really your final chance to get a basic understanding of science. It’s all uphill from here. Sorry for the excessive text.

  4. About today’s lab We’re gonna learn thea form of the scientific method What are two important aspects of being a scientist? 1. creativity. 2. stubbornness. Marsupial and placental wolf skull anatomy • Comparative anatomy • Evolution vs Creationism? Nah. It’s not a competition. Faith cannot be scientifically verified. Then, there’s a QUIZ (sorry.)

  5. Scientific Method What’s wrong with this image?

  6. Scientific Method Step 1 is not “observe” …it’s to become an expert, so you can observe critically. (Nice work, team. You’re already doing it.) It takes a lot of practice to observe and think of original ideas. Most scientists aren’t even good at it.

  7. Scientific Method In this lab, we will practice observing and generating questions every week. It’s easier said than done, but this should simplify things: Question – what is interesting here? Hypothesis – What do you think is going on? State it in a testable, falsifiable way. Prediction – What will happen if you alter something? If/Then statement. Methods – What are you going to do to test your hypothesis? Try to account for hidden confounding variables and other possible reasons for the phenomenon. Every week, you should have a QHPM somewhere on your lab write-up. If you get stuck, ask me before you leave lab and I’ll help you!

  8. Thylacinesand placental wolves This is a canid phylogeny. Notice, there are no Thylacines. Today you’ll be making predictions based on two hypotheses: Both animals were created similiarly The animals underwent convergent evolution and evolved similar traits.

  9. Thylacinesand placental wolves Focus on the following today: The differences between carnivore and herbivore teeth and skull morphologies How do you interpret these differences? Again, don’t tell me Evolution is right and Creation is wrong. Give me focused answers. e.g. “Based on many skull characteristics, blah blah…” How does ecology affect the organism’s phenotype? What makes the species different ecologically and morphometrically? And don’t forget about your QHPM. Have fun!

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