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Chapter 8 Community Ecology Quiz 1. List 2 (of 3) characteristics of biological communities investigated by ecologists. Then tell how a generic invasive species could change each of these two ecological characteristics. 2. Fill out this Venn diagram in order to compare native vs. non-native species. Insert text boxes and use a small font to do so. 3. Using bullets, list an indicator species, a keystone species, and a foundation species. Briefly explain why each example fits into each category. 1) 2) 3) 4. Match each example to its proper description: Draw red lines to do so. Pike ambush and eat small fish Epiphytes living in the branches of tropical trees Trees grow tall and shade out pesky shrubs Algae and fungi living in harmony as a lichen Vampire tiger mosquitoes drink horses’ blood Commensalism Mutualism Parasitism Predation Competition 5. In three sentences compare and contrast primary succession with secondary succession. (Be sure to mention the following: disturbances, soil, foundation species, pioneer species, time frame.) 6. Tell the type of succession we witnessed at Prairie Ridge and give evidence to support your answer.