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166-168-LBE-ETAHL-861746 8/19/04 10:44 PM Page 168 Extra Try at Home Labs Biodiversity Real-World Question How does biodiversity vary around your home? Possible Materials • wooden ground stakes or nails • string • poster paper • measuring tape, yard stick, or ruler Extra Try at Home Labs Procedure 1. With an adult, visit a wild area near your home or school. Mark off an area that is 1 m by 1 m. Put stakes at the four corners and string between them to make a fence around your plot. 2. Count or estimate how many of each animal or plant species are in your plot. 168 ◆ E STUDENT RESOURCES 3. Make a drawing on your poster paper and a list of the species found. If you cannot identify a species by name, just describe and sketch it. 4. Repeat the procedure on a lawn. Make your sketch and list on the opposite side of the poster paper. Conclude and Apply 1. Describe the difference in biodiversity between the lawn plot and the wild plot. 2. Think about a prize flower garden. What is the biodiversity like in the flower garden, compared to the wild? 3. Would you find more bird species in the wild, or near the lawn or flower garden? Why? Adult supervision required for all labs.