[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-459240-105":59,"doc-detail-459240-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","keystone-practice-questions-3-gene-tech-evolution-ecology-module-2","Keystone Practice Questions #3 - Gene Tech., Evolution, Ecology - Module 2","","Practice questions set for Module 2 covering gene technology, evolution, and ecology. Items focus on nitrogen cycling in soils, effects of agricultural runoff on lake and stream ecosystems, and reasons for caution with genetically modified plants. Additional questions address mutations and coat-color outcomes, processes driving changes in lizard populations, causes of forelimb variation, and evidence for evolution using gene comparisons such as COII. The set also includes hypothesis identification, ecosystem classification, abiotic versus biotic factors, nutrient limitation, energy flow in marine food webs, species interactions, reproductive isolation, and Isle Royale wolf-moose dynamics.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/keystone-practice-questions-3-gene-tech-evolution-ecology-module-2/459240/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/keystone-practice-questions-3-gene-tech-evolution-ecology-module-2/459240.png","ImageObject",300,407,{"name":92,"@type":93},"SundayMiles","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-06","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"How does nitrogen in the soil return to the atmosphere according to the questions?","Question",{"text":112,"@type":113},"Soil bacteria can convert nitrates into nitrogen gas. The set emphasizes microbial nitrogen cycling as the key pathway.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Why might scientists recommend caution when planting genetically modified plants?",{"text":117,"@type":113},"The questions target potential unplanned ecosystem interactions as a major concern. Other options address benefits, but caution focuses on unintended effects on complex systems.",{"name":119,"@type":110,"acceptedAnswer":120},"What prevents the eastern and western spotted skunks from interbreeding even with overlapping ranges?",{"text":121,"@type":113},"The questions indicate reproductive isolation, specifically gametic isolation. 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Which statement correctly describes how nitrogen in the soil returns to the atmosphere?  \nA. Soil bacteria convert nitrates into nitrogen gas.  \nB. Decomposers directly convert ammonium into nitrogen gas.  \nC. Plants assimilate nitrites and convert them into nitrogen gas.  \nD. Nitrogen-­‐fixing bacteria in plant roots convert nitrates into nitrogen gas.  \n2. Agricultural runoff can carry fertilizers into lakes and streams. This runoff can cause algae populations to greatly increase. Which effect does this change in the algae population sizes most likely have on affected lakes and streams?  \n[A. an](A. an) increase in water level  \n[B. an](B. an) increase in water clarity  \nC. a reduction in dissolved oxygen needed by fish and shellfish  \nD. a reduction in temperature variations near the water’s surface  \n3. Genetic engineering has led to genetically modified plants that resist insect pests and bacterial and fungal infections. Which outcome would most likely be a reason why some scientists recommend caution in planting genetically modified plants?  \nA. unplanned ecosystem interactions  \nB. reduced pesticide and herbicide use  \nC. improved agricultural yield and profit  \nD. increased genetic variation and diversity  \n4. A mutation occurs in the genes that code for coat color in deer. Which change will most likely result from this mutation?  \nA. a change in the selection pressures acting on coat color  \nB. a change in the coat-­‐color genes of deer predator species  \n[C. an](C. an) increase in coat-­‐color diversity in the population  \n[D. an](D. an) increase in the number of genes for coat color in the population  \n5. Use the circle graphs below to answer the question.  \nThe graphs illustrate change in a lizard population over time. Which process most likely led to the change in the lizard population?  \nA. natural selection acting on a harmful trait  \nB. natural selection acting on a beneficial trait  \nC. natural selection acting on a dominant trait  \nD. natural selection acting on a recessive trait  \n6. Use the illustrations below to answer the question.  \nThe skeletons of mammalian forelimbs represent variations of a structure that was present in their common ancestor. What has most likely caused the variation in forelimbs?  \nA. changes in muscle structure  \nB. changes in the genetic codes  \nC. trait formation due to behaviors  \nD. development of vestigial structures  \n7. Use the table below to answer the question. (use a separate sheet)  \nThe gene COII is in the genome of many organisms. A comparison of the number of base differences between the COII gene in a rat and that of two other animals is shown.  \nPart A: Based on the data, describe a possible evolutionary relationship between rats, mice, and cows.  \nPart B: Describe how different organisms having a common gene such as COII supports the theory of evolution.  \n8. Use the table below to answer the question.  \nA group of students measured a ten-­‐square-­‐meter section of a pond ecosystem and recorded observations. Which statement is a testable hypothesis?  \nA. The frogs living in the pond represent a population.  \nB. Water is an abiotic component in the pond ecosystem.  \nC. If the fish are given more food, then they will be happier.  \nD. If the frogs are startled, then they will jump in the water.  \n9. Use the list below to answer the question.  \nObservations  \n• Two grey wolves  \n• Five moose  \n• Several species of conifer trees  \n• Large granite rock  \n• Shallow pond  \nA student wrote several observations in a field notebook. Which term best classifies all of the student’s observations?  \nA. population  \n[B. food](B. food) chain  \nC. ecosystem  \n[D. community](D. community)  \n10. A researcher observing an ecosystem describes the amount of sunlight, precipitation, and type of soil present. Which factors is the researcher most likely describing?  \nA. biotic factors in a forest  \nB. biotic fa","cbCaieX8wyNUvNTX","https://ap.wps.com/l/cbCaieX8wyNUvNTX","pdf",236206,"English","# Keystone Practice Questions #3\n## Gene Tech., Evolution, Ecology - Module 2\n## Questions 1-15","[{\"question\":\"How does nitrogen in the soil return to the atmosphere according to the questions?\",\"answer\":\"Soil bacteria can convert nitrates into nitrogen gas. The set emphasizes microbial nitrogen cycling as the key pathway.\"},{\"question\":\"Why might scientists recommend caution when planting genetically modified plants?\",\"answer\":\"The questions target potential unplanned ecosystem interactions as a major concern. Other options address benefits, but caution focuses on unintended effects on complex systems.\"},{\"question\":\"What prevents the eastern and western spotted skunks from interbreeding even with overlapping ranges?\",\"answer\":\"The questions indicate reproductive isolation, specifically gametic isolation. Different mating seasons also contribute to preventing successful reproduction.\"}]","Keystone Practice Questions #3 - Gene Tech., Evolution, Ecology - Module 2 | PDF",13]