Z-Evolution Scavenger Hunt Name: Per: Instructions Evolution 1. Save this file including your name at the beginning of the file name. 2. Type in your name and period above. 3. Use to search for “Evolution”. 4. Go (click the link) to the “Evolution Entrance” (It’s really “The Evolution Wing”) 5. Go to “Talk Origins Archive”. 6. Go to “Browse the Archive” 7. Go to “Must Read Files” 8. Go to “What Is Evolution” 9. Read and Define (copy & paste) Biological Evolution Jean Baptiste Lamarck 1. Go back (use the back button or repeat previous steps) to “The Evolution Wing” 2. Find (you’ll have to look around!) and go to “Timeline of Evolutionary Thought” 3. How many (count) people had been thinking about evolution before Charles Darwin? 4. Find, copy & paste a picture of Lamarck 5. What was Lamarck’s discredited theory of heredity? Explain it (in your own words)! Charles Darwin 1. Find, copy & paste a picture of Charles Darwin. 2. What was the voyage of the Beagle? 3. Find and list the titles of Darwin’s three major publications 4. What year was “The Origin Of Species” published? 5. Of the three kinds of evolutionary thinkers, Scavenged Items (Number your items!) which was the minority? 6. Who came up with the same idea as Darwin at the same time? Natural Selection 1. Use to search for “Natural Selection” 2. Go to “Evolution and Natural Selection” 3. Explain how natural selection involves genes, meiosis, mutation and recombination. 4. Which individuals of a population “perpetuate the species by passing on the genes conferring "fitness" to the next generation” leading to adaptation. Morphology 1. Switch (use the task bar) to Internet Explorer and type the following URL into the address field: http://www.dictionary.com 2. Find for the definition of this item. 3. Copy and paste definition 1. 4. Use and search for “morphing”. 5. Go to “3D Volume Morphing”. 6. Watch the “Morph sequence” of the human and orangutan skulls. 7. Copy and paste the image of the “orangutan head” and the “human head” 8. Explain what similar morphology may be evidence of. Homologous Structure 1. Find and give an example of homologous structures. 2. Find, copy and paste one or more images of an example. 3. Explain what this is evidence of. Vestigial Structure 1. Find and give an example of vestigial structures. 2. Find, copy and paste one or more images of an example. 3. Explain what this is evidence of. Phylogeny 1. Choose a search engine. 2. Find and go to the “phylogeny of gopher lice”. 3. How many branches are there leading from the common ancestor at the beginning of the tree, to Geomydoecus texanus texanus? 4. Copy and paste an image of this species. 5. Follow the tree backwards from this species two branching points. Including Geomydoecus texanus texanus, how many species reside on this branch? 6. What does this tell us about the evolutionary relationship between these species? 7. Now find “A Phylogeny of Living Hominoids”. Which living hominoid is most closely related to humans? 8. Could a phylogenetic tree such as the ones you have been looking at be created to show a relationship between every living thing on earth? Why? 9. Explain what this is evidence of. Ontogeny Recapitulates Phylogeny 1. Use and search for “evolution evidence from living organisms”. 2. Go to “Evolution” 3. Review the evidence, copy & paste the image that fits with this item. 4. What does “ontogeny recapitulates phylogeny” mean? 5. Explain what this is evidence of. Molecular Sequence 1. Use and search for “Domestic dogs descended from wolves, researchers confirm”. 2. Briefly describe what these researchers did and what they concluded from their study. 3. Use and search for “cytochrome C amino acid sequence evolution” and go to “How can We Analyze the Flood of Data”. 4. Explain what is special about cytochrome C and what has been done with it. 5. Copy and paste the small image of the cytochrome C molecule. 6. Explain what this is evidence of. Species 1. Use to search for “species biological definition” 2. Go to “Brief Definitions” and give the definition of species presented but add the words “…and produce viable offspring”. This is our working definition of species. 3. Find an image of your favorite species. Copy and paste it. Population vs. Individual 1. Use to search for 2. 3. 4. 5. 6. “biology ecology population definition”. Go to “Populations” and give the definition presented but add the words…”at the same time”. Which has the capacity to evolve, an individual or a population? Copy and paste the graph showing human population growth over time. What are three reasons for this population growth? What do you think is the significance of this for other species on earth? Biological Potential 1. Use to search for “reproductive potential”. 2. Go to “2.8g How Do Pops Change.urls : reproductive_potential”. 3. Which of the four boxes contains the concept important to the evolution of species? Give this information as the definition of biological potential. Variation 1. Find and give a definition of variation along with an example. 2. Use to search for “process of evolution”. 3. Go to “Process of evolution”. 4. List the four processes of evolution and give the importance of variation. Adaptation 1. Use to search for “Are evolution and adaptation different?”. 2. Go to “Are adaptation and evolution the same thing??”. 3. Answer the question including one example. 4. Find, copy and paste a picture of a polar bear. Adaptive Radiation 1. Use to search for this item. 2. Go to “Adaptive radiation & Endemic species on islands” 3. Go to “Click here to start” 4. View the entire presentation. 5. What is adaptive radiation? 6. Describe one great example. 7. Copy and paste an image to accompany the example. Divergent Evolution & Speciation 1. Use to search for “divergent evolution” 2. Go to “Evolution – The Evidence”. 8. Give a definition and an example for this item. 9. Copy and paste an image to support your example. 10.Use to search for “speciation”. 11.Go to “BBC News | SCI/TECH | Songbird shows how evolution works”. 12.Explain what speciation is and why it was included with divergent evolution. Convergent Evolution 1. Go back to “Evolution – The Evidence”. 2. Give a definition and an example for this item. 3. Copy and paste an image to support your example. 4. How might convergent evolution confuse the classification of species? Reproductive Isolation 1. 2. 3. 4. Use to search for this item. Go to “The Process of Speciation”. Go to “Reproductive Isolation” Read the sections on both reproductive isolation and speciation. 5. Copy and paste the figure showing allopatric and sympatric speciation. 6. What about the “new geographical zones” would speed up divergence between populations? Stabilizing Selection 1. Use to search for this item. 2. Go to “natural selection”. 3. Copy and paste the graph image for this item. 4. Explain what stabilizing selection is. Disruptive Selection 1. Stay at “Types of Natural Selection” 2. Copy and paste the graph image for this item. 3. Explain what disruptive selection is. Directional Selection 1. Stay at “Types of Natural Selection”. 2. Copy and paste the graph image for this item. 3. Explain what directional selection is. Sexual Selection 1. “What is sexual selection? 2. Go to “Sprinks by About.com” 3. Go to “Introduction to Natural and Sexual Selection” 4. Go to “Side Box 3.1: Runaway sexual selection” 5. Copy and paste the animated figure. 6. Describe what the image represents and what the result is. 7. Give one example of sexual selection. Include an image of your example. Coevolution This is a tuffy that I’m not going to give you guidance for. Do the best you can and include a definition/explanation and at least one example image. Gradualism vs. Punctuated Equilibrium 1. Find your way back to “Evolution – The Evidence” 2. Give a definition and an example for both of these concepts. 3. Copy and paste an image to support your examples. 4. Which one is the way you think evolution works? 1. BBC Evolution Website: http://www.bbc.co.uk/education/darwin/origin/