Chapter 6: Arthropods in Their Microhabitats

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130 Biodiversity Counts4LESSONLESSON4 DISPLAYING DATAGRAPHICALLYTIMEMATERIALS1 or 2 class sessions❑ Graph paper❑ Student-generated charts from Lesson 3
Teacher’ eacher’s s Guide 1311. Focus attention on the compiled data recorded on the charts generatedin Lesson 3. Ask students to suggest several different ways that theycould organize the data graphically. They may suggest pie charts, bargraphs, line graphs, histograms, and spread sheets.2. Ask students to suggest several important findings that their graphicdisplays could illustrate. They may suggest (but need not be restrictedto) some of the following:• The total number of arthropods present in each of the microhabitats.Displayed in a bar graph, each bar would represent a differentmicrohabitat.• The diversity of arthropods in each microhabitat. In this case, a pie chartcould show how many different groups of arthropods were found in asingle microhabitat. Students would have to create a different chart foreach microhabitat.• The frequency with which a particular species of arthropod appeared ineach of the microhabitats. Histograms might best display this type of data.3. Discuss which graphic displays (graphs, pie charts, or histograms) eachteam will develop and then give students time to create their graphs andcharts.4. When the data displays are completed, invite each team to present itswork. Encourage students to ask questions of the presenters, comparetheir data, and critique the clarity and accuracy of the displays.5. Hang the work on a bulletin board for the class to study further. Savethe products for the final public presentations at the conclusion of theunit.
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Chapter 6: Arthropods in Their Microhabitats

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