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6. Now go back to the original objects laid out for the students (Thumbtacks, paper clips, wooden ruler, pencil, and plastic pen) and create a dichotomous key for them as well. Make sure that students understand this format before moving on.
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watershed.csumb.edu/ron/roncor/cor/did.htm
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Continue to write the key until each individual shell can be identified. Make an answer key to accompany your dichotomous key. ANSWER KEY; Each student or student group will submit a dichotomous key and answer key;
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www.lamer.lsu.edu/classroom/halfshell/pdf/dicot2all.pdf
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To construct a dichotomous key based on the characteristics of various organisms. ... 3. Make a second page as an answer key. Your answer key could be set up in the following way. If you are using preserved specimens and are not sure of the name of an organism ask your teacher or just use its number to identify it.
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www.saskschools.ca/curr_content/biology20/unit3/unit3_m...
www.saskschools.ca/curr_content/biology20/unit3/unit3_mod1_les2.htm
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• Shoe Classification (pdf) - A different version from BJ's Resources to teach your students how to make a key. • What is a key to classification? - Visit this site for information about making dichotomous keys and tips for your students!
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www.sciencespot.net/Pages/classgen.html
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INTRODUCTION: A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the ... Make the choice a positive one - something "is" instead of "is not".
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nerds.unl.edu/pages/preser/sec/skills/dkeys.html
nerds.unl.edu/pages/preser/sec/skills/dkeys.html
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This is a dichotomous key. Dichotomous means divided into two parts or classifications. Keys are used to identify plants and animals. To give this key a try, pick a critter from the aquatic critter key game. ... Don't worry if you make a mistake, you can use the "Back" button on your web browser to go back and try again.
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www.dnr.state.wi.us/org/caer/ce/eek/critter/watercritte...
www.dnr.state.wi.us/org/caer/ce/eek/critter/watercritter/critterindex.htm
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･ 1 Determine the level of specificity your key will need. For instance, your key can simply identify different... ･ 2 Develop questions that will differentiate between organisms. Broad questions can be along the lines... ･ 3 Keep developin...
http://www.ehow.com/how_5419137_make-dichotomous-key.ht...
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Making your own dichotomous key can be easily done for a group of living or nonliving things that you want to organize by physical traits. This can be a good method for helping people make observations and understand some physical traits th...
http://www.mdsg.umd.edu/programs/education/interactive_...
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CONSTRUCTING A DICHOTOMOUS KEY MARGARET BANKHEAD ROBERT A. BLACK MAGNET SCHOOL 9101 SOUTH EUCLID AVE. CHICAGO, IL 60649 1-312-375-2040 Objectives: To construct and use dichotomous keys. Materials: Shoes (Use one shoe from each of 10 students).
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www.iit.edu/~smile/bi8611.html
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