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Evolution - the change in allele frequency in a population over time
Evolution is a unifying theme in biology. It offers explanations of natural events, connects multiple disciplines (like genetics and ecology), and is an excellent way to see how scientific understanding is developed through hypotheses, evidence and analysis.
This page will be added to over the next few weeks. Caution and critical thinking should be used when doing any research for evolution, particularly online, as some sites will offer non-scientific information or may have inaccuracies. The sites posted on the class will be screened for scientific validity or noted otherwise.
Click here for HHMI Videos
here for Extra Credit Video for 5/1/2015
Click here for Sneaky Cricket.
LOOK HERE FOR PODCAST ABOUT CHICKEN TEETH (10/27/17)
To view an online copy of the Introduction to Charles Darwin's On the Origin of Species, click here: http://www.talkorigins.org/faqs/origin/introduction.html
CAUTION: The purpose for the above site is only to provide a digital source for On the Origin of Species. While this site is appropriate for the primary source (Darwin's writing), not all links on this site have been evaluated for bias. Feel free to look and ask questions if you have them.
Will Bunnies take over the world? Will the allele frequencies in their populations change? What conditions will or won't make these things happen? Find out here:
What in the world can WHALES teach us about evolution?
Note: If you do not have flash player, you can download it free by clicking. You will need it to run the app. You will also need to unblock pop-ups from this site to use it.
Additional Whale Evolution Sites
Whale Evolution (includes video) http://www.pbs.org/wgbh/evolution/library/03/4/l_034_05.html
More information on whale evolution http://www.talkorigins.org/features/whales/
Whale family tree: http://evolution.berkeley.edu/evolibrary/article/evograms_03
Valley of the Whales – Whales bones in the desert? What’s up with that? http://ngm.nationalgeographic.com/2010/08/whale-evolution/mueller-text
Whale Evolution from Enchanted Learning http://www.enchantedlearning.com/subjects/whales/allabout/Evol.shtml
Visual timeline with images and other photos/information; http://evolution.berkeley.edu/evolibrary/article/evograms_03
This site has an artist’s interpretation of what a whale ancestor might look like while attacking prey! Check it out: http://www.indiana.edu/~ensiweb/lessons/whale.ev.html
Addtional sites of interest: Darwin
Summary of Darwin's influences and influence; includes historical and key elements in simple form http://eweb.furman.edu/~jfoltz/Courses/BIO111/Lecture/PDFS/Week01/Lecture1C.pdf
Darwin’s “Diary” by PBS; for students still interested in Darwin’s life, religion and work. http://www.pbs.org/wgbh/evolution/darwin/diary/index.html
Darwin’s voyage; this is the source of the activity from class on 5/7/12 http://www.pbs.org/wgbh/evolution/educators/lessons/lesson2/act1.html
Addtional sites of interest: Fossils
More fossils: http://www.pbs.org/wgbh/evolution/library/04/3/l_043_01.html
Still more fossils; This site has a lot of categories and age levels – walks through concepts step by step http://www.ucmp.berkeley.edu/education/explotime.html
Horse family fossils and family history: http://chem.tufts.edu/science/evolution/HorseEvolution.htm
Short fossil videos, including La Brea Tar Pits (shown in class): http://www.bbc.co.uk/nature/fossils#p00cknmd
Browning, Montana museum, lots of info, including dinosaur wishbones!: http://www.browningmontana.com/dinosaurs.html
Maiasaura - the "good mother" lizard:
Dakota - the mummified dinosaur with skin and ligaments
Leonardo - the mummified dinosaur with an intact digestive system!
Official site for Leonardo, including video http://www.dinosaurmummy.org/
Ida - the missing link in primate evolution?
Dinosaur mummy timeline: http://channel.nationalgeographic.com/channel/dinosaurs/dino-mummies.html
Little Foot- a cousin or an ancestor?
Other Reliable Links
Searchable PBS site: http://www.pbs.org/wgbh/evolution/library/index.html
What evolution is and is not: http://www.indiana.edu/~ensiweb/lessons/ev.not.html
(Other resources) http://www.indiana.edu/~ensiweb/lessons/unt.ev.f.html
Primate Features: http://elearning.la.psu.edu/anth22/lesson_2/anatomical-features
Poultry (chick) embryo development, instages http://msucares.com/poultry/reproductions/poultry_chicks_embryo.html Go through and compare what happens to chicks with what happens to humans. At what stage are they "turning on the same switches"? At what stage do they start turning on different genes?
Natural Selection and Sites of Interest
http://www.telegraph.co.uk/earth/wildlife/8022242/Gazelles-borrow-giraffes-eating-habits.html Gazelles learning to eat like giraffes...
Bunny Lab: Online interactive model of natural selection in a rabbit population.
Will Bunnies take over the world? Will the allele frequencies in their populations change? What conditions will or won't make these things happen? Do all mutations make things more fit? How are genetics and pedigrees related to evolution? Find out here: http://phet.colorado.edu/en/simulation/natural-selection
"What Causes Antibiotic Resistance" Kevin Wu/TED-Ed Antibiotic resistance video shown in class on 5/4/2015: https://www.youtube.com/watch?v=znnp-Ivj2ek
Antibiotics in the meat industry -
Info and a petition to sign NRDC: http://www.nrdc.org/food/saving-antibiotics.asp
Antibiotics in Chicken Blog (article from class on 5/5/15) http://switchboard.nrdc.org/blogs/slyutse/time_to_give_another_poultry_g.html
Antibiotiic-Free Meat Movement http://farmersmarketgazette.com/dominoes-falling-a-year-in-review-in-the-consumer-movement-for-antibiotic-free-meat/
Sneaky Cricket (class reading from 5/1/15; worksheet passed out in class; also available at this link: Sneaky Cricket Questions): http://evolution.berkeley.edu/evolibrary/article/sneakermales_01
Several videos are available on this link: http://www.hhmi.org/biointeractive/making-fittest
Stickleback Evolution (From class on 4/28/15 SUB DAY): http://www.hhmi.org/biointeractive/making-fittest-evolving-switches-evolving-bodies "Evolving Swtiches, Evolving Bodies" Answer worksheet questions.
Humans and Lactose Intolerance (From class on 5/1/15): http://www.hhmi.org/biointeractive/making-fittest-got-lactase-co-evolution-genes-and-culture Watch and take notes, or watch and write a summary at the end.
Malaria and Sickle Cell (From class on 5/1/15; 5th hour can substitute in place of extra credit video below): http://www.hhmi.org/biointeractive/making-fittest-natural-selection-humans
For Extra Credit HW (assigned 5/1/15, due 5/4/15): http://www.hhmi.org/biointeractive/origin-species-beak-finch (watch video; answer questions below)
HHMI Videos "Origin of Species: The Beak of the Finch" Current research on Galapagos Islands show how beak size of finches can evolve.
Watch the video. Then, answer these discussion questions:
- Briefly summarize the study location, topic and methods of this research. (1-2 sentences)
- What was the first major environmental change that occurred during the study?
- What happened to the number of individuals in the population during this time?
- Why exactly did so many birds die?
- What happened to average beak size as a result of this change?
- Did any individual bird change the size of its own beak?
- If no birds changed, how did the average change?
- True or False Parents pass on DNA to their offspring.
- If mostly small-beaked birds mate and have offspring, what types of beaks will we see a lot of in the offspring?
- Is evolution a "plan" in one direction, or does evolution through natural selection act as a response to changes in the environment? Cite evidence from the video.
Check back later - more sites may be added!
If you find a site on your own and want to discuss its validity, bring it in and we can talk about it together!