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Results 51 - 60 of 1038 DLESE Reviewed Collection = DLESE Reviewed Collection <<  2 3 4 5 6 7 8 9 10  >>
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In this problem-based learning activity, students will examine opposing views on the Amazon Rainforest and will take a position on land-use and species conservation in one of the last areas of biodiversity on Earth. This activity is part of Exploring the Environment. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Classroom activity, Guide for instructor
Subject: Ecology, Physical geography
 
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In this problem-based learning activity, students help the Forest Service make a decision: the next time there's a natural fire in Yellowstone National Park, should they try to put it out or let it burn? They perform an Earth system science analysis to predict the results under the existing policy and to support any recommendations you would make to revise the policy. This activity is part of Exploring ... Full description.
Grade level: Intermediate (3-5), Middle (6-8)
Resource type: Classroom activity, Guide for instructor
Subject: Ecology, Physical geography
 
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This textbook chapter summarizes the changes in the ecosystems found in the world's forests. This is chapter 2 in the unit, A New World View, which introduces global systems science, emphasizing the concepts of environmental diversity, Earth as a system, and sustainability. The resource includes a textbook chapter, integrated hands-on and inquiry activities, links to current news articles, and a suite ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This textbook chapter presents a real case study involving the the logging of an old stand forest from three perspectives, that of the environmentalists, the wood products industry, and a politician. An associated writing activity engages students in reviewing the different viewpoints, and writing a "letter to the editor" for or against the logging of old growth forest. This is chapter 3 in the unit, ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This textbook chapter outlines the historical development of the Theory of Natural Selection, presenting classic evidence including Darwin's study of finch beak variation in the Galapagos Islands and Kettlewell?s investigation of the pepper moth in England. A simulation activity depicting the process of natural selection is included. The resource includes a link to current news articles and a teacher's ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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In this textbook chapter, students are introduced to Mendelian inheritance and the biological processes through which changes in DNA are created and propagated within a population. An activity teaches students about dominant and recessive alleles, using coin tosses to complete a Punnett Square. Sickle cell anemia is provided as an example of evidence of natural selection in human populations, and ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This textbook chapter tells the story of DDT and the the near-extinction of the Perigrine Falcon. The role of the Rachel Carson's best-seller, Silent Spring, and the role of research in the recent recovery of bird populations in the United States are highlighted. Wildlife biologist Janet Linthicum and her work with Perigrine Falcons is profiled. The resource includes a link to current news articles ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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This textbook chapter makes the case for preserving desert old growth forests, and endangered species. The captive breeding program for the black-footed ferret is presented as a case study. Students learn about conservation practices they can do, such as adopting a species or garden. The chapter includes an authentic unit assessment where students produce an essay on a biodiversity topic. The resource ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Biology, Ecology
 
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In this problem-based learning activity, students are presented with the scenario that they are representatives of an organization that is tasked with evaluating the potential effects of a warming climate on New England forests. Student worksheets, teacher guide, and assessment rubric are included. The resource is part of Forests: A Sticky Situation, from the lesson series The Potential Consequences ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity, Presentation / Demo
Subject: Climatology, Ecology
 
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In this problem-based learning activity, students conduct research to determine the potential impact of a changing climate on maple sugar production. Student worksheets, a teacher guide, and an assessment rubric are included. The activity is included in the module Forests: A Sticky Situation, part of the lesson series, The Potential Consequences of Climate Variability and Change. Full description.
Grade level: Intermediate (3-5), Middle (6-8)
Resource type: Lesson plan, Presentation / Demo
Subject: Climatology, Ecology
 
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