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Marine Biology MAR111

Marine Biology MAR111. Prof. Nancy Black Lecture: Tu & Th 6:00 – 7:25 pm Lab: Tu 7:40 – 9:40 pm. Books: Marine Biology , 8th edition, Peter Castro and Michael E. Huber. McGraw-Hill Higher Education. 2010. (recent older editions are OK)

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Marine Biology MAR111

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  1. Marine BiologyMAR111 Prof. Nancy Black Lecture: Tu & Th 6:00 – 7:25 pm Lab: Tu 7:40 – 9:40 pm

  2. Books: • Marine Biology, 8th edition, Peter Castro and Michael E. Huber. McGraw-Hill Higher Education. 2010. (recent older editions are OK) • Laboratory and Field Investigations in Marine Life, 10th edition, James Sumich and Gordon Dudley. Jones & Bartlett Publishers. 2011. (optional)

  3. Grading: 1000 points total, I will curve final grades up if necessary Lecture = 60% 3 lecture exams (200 points each) drop lowest exam grade = 400 points cumulative final exam = 200 points Lab = 40% mid-term quiz = 50 pts practical final exam = 100 pts 9 lab assignments X 10 pts each = 90 pts 2 short research papers (25 pts each) = 50 pts 2 field trips X 50 pts each = 100 pts overall attendance / participation = 10 pts

  4. How to get a good grade: • Attend class and lab • Print the powerpoint lectures before class and take notes on them • Read the book • Study for the exams (seriously) • Turn in assignments on time • Do the extra credit work • Students who attend, participate, show interest, and/or show improvement will get a bump up a half grade at end if on the borderline

  5. Printing Powerpoint Slides 3 per vertical page with lines for notes 4 per horizontal page write in margins

  6. Marine Biology The study of the organisms that live in the sea http://www.daviddarling.info/images/diatoms.jpg http://www.sfos.uaf.edu/research/arcdiv/watercolumn/copepod/images/full/calanus_marshallae.jpg http://www.sfos.uaf.edu/research/arcdiv/seabottom/asteroids/images/full/ctenodiscus-crispatus.jpg

  7. Marine Biology • A subset of Biology • Has subdisciplines: • Taxonomy • Ecology • Behavior • Physiology • Cellular and molecular biology • Evolution

  8. Marine Biology • Biological • A subset of Oceanography: • Chemical • Physical • Geological http://community.webshots.com/photo/1098385609029448148TPhhYc http://www.webshots.com/g/33/628-sh/12378.html

  9. Marine Biology • Why is it important? • 71% of the earth’s surface is water • Oxygen, global ecosystem • Disease, attacks, damage • Food, medicine, raw materials • Recreation, tourism • $$$$$$ ($20 trillion/yr!)

  10. Tools of Marine Biology - Then Research Ships

  11. Tools of Marine Biology - Now Research Ships

  12. Tools of Marine Biology - Now Research Ships http://www.sheddheads.org/do/view;jsessionid=4FF1AC1047FEBC828EBA32442CE5BB69?id=139

  13. Tools of Marine Biology - Now Submersibles

  14. Tools of Marine Biology - Now SCUBA, Underwater habitats

  15. Tools of Marine Biology - Now Crittercam, satellite tracking http://www.riverheadfoundation.org/research/content.asp?code=Sarge

  16. Tools of Marine Biology - Now Satellite remote sensing http://microbewiki.kenyon.edu/images/9/94/Bloom_summer_off_cornwall.jpg

  17. Tools of Marine Biology - Now Sampling devices http://www.gma.org/onlocation/mocness.html

  18. Tools of Marine Biology - Now Laboratory experiments http://alpha1.msrc.sunysb.edu/flaxpond/Images1/Mvc-008f.jpg

  19. Tools of Marine Biology – Scientific Method • Observe, describe • Coral reef

  20. Tools of Marine Biology – Scientific Method • Observe, describe • Stony corals • Animal polyps have algae cells inside

  21. Tools of Marine Biology – Scientific Method • Observe, describe • Corals once green and brown are now white • Water temperatures were 30°C or more for several weeks http://www.york.ac.uk/depts/biol/units/symbiosis/images/coralbleach.jpg

  22. Tools of Marine Biology – Scientific Method • Ask questions • Why did the corals turn white? • Did the warm temperatures cause the problem? Pollution? Salinity changes? UV? • Is it permanent or will the coral recover?

  23. Tools of Marine Biology – Scientific Method • Choose one question to address, then create a hypothesis • The prolonged warm water temperatures caused the “bleaching” http://appserv.pace.edu/emplibrary/thermometer.gif AFP/Queensland University/File/Ove Hoegh-Guidberg

  24. Tools of Marine Biology – Scientific Method • Conduct a controlled experiment to test the hypothesis • Collect some identical corals • Place some in normal temperature water and others in warmer water http://www.aqob.com.au/images/product/detail/72rosscoralbleachingtanks.jpg

  25. Tools of Marine Biology – Scientific Method • Experiment results, statistics • Corals in lab held in the warmer water “bleached” after several weeks while those in the control water did not

  26. Tools of Marine Biology – Scientific Method • If confirmed, then more tests of the hypothesis • Experiment must be repeatable • Test other species, temperatures, time frames • If not, then test an alternative hypothesis

  27. Tools of Marine Biology – Scientific Method • Theory • After the hypothesis has passed extensive testing and is accepted as true, it may be considered a theory • Explanation supported by evidence • Beware of misuse (scientific theory is not a guess, that’s a hypothesis)

  28. Tools of Marine Biology – Scientific Method http://www2.nau.edu/~gaud/bio372/class/behavior/scimeth.gif

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