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Lottie Peppers

The Mystery of the Missing Martens - National Center for Case Study Teaching in Science - 0 views

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    This interrupted case study introduces basic modeling to investigate a decline in an American marten population on an island in Southeast Alaska. Two summer field technicians working on a long-term field ecology project for one of their professors notice that there are fewer marten captures this year. Through discussions with their professor, conversations with a local fur trapper, and based on their own observations, they develop a plan to model the population and the potential causes of the decline to solve the mystery. Students use Excel or other database software along with life tables and introductory population ecology to investigate three potential causes of the marten population decline. This case was developed for use in an environmental science or wildlife management course but could also be used in an advanced science high school course or general ecology course. It would be beneficial for students to have some background in statistics including how to interpret R-squared values, p-values, and 95% confidence intervals.
Lottie Peppers

Fact Sheet: Metacognitive Processes | Teaching Excellence in Adult Literacy (TEAL) - 0 views

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    Metacognition refers to awareness of one's own knowledge-what one does and doesn't know-and one's ability to understand, control, and manipulate one's cognitive processes (Meichenbaum, 1985). It includes knowing when and where to use particular strategies for learning and problem solving as well as how and why to use specific strategies. Metacognition is the ability to use prior knowledge to plan a strategy for approaching a learning task, take necessary steps to problem solve, reflect on and evaluate results, and modify one's approach as needed.
Lottie Peppers

Biology - bozemanscience - 0 views

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    Index page for all of Mr. Anderson's most excellent and easy to understand videos for every biology, chemistry, A&P, earth science, physics, and statistics topic imaginable.
Lottie Peppers

A Short History of Breeds | Teaching Genetics with Dogs - 0 views

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    Dogs are excellent models for studying genetics, especially disease genetics. Work done in the last 20 years has shown that dogs share many gene-related disorders with people. Each breed is a closed reproductive population with distinct rates of heritable diseases, which dramatically increases the odds of finding disease-related loci. In creating new dog breeds, we reduce the gene pool within those populations, and fix many alleles. This homogeneous background makes it much easier to map QTLs and perform linkage analyses
Lottie Peppers

Beaks As Tools: Selective Advantage in Changing Environments | HHMI's BioInteractive - 0 views

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    In their study of the medium ground finches, evolutionary biologists Peter and Rosemary Grant were able to track the evolution of beak size twice in an amazingly short period of time due to two major droughts that occurred in the 1970s and 1980s. This activity simulates the food availability during these droughts and demonstrates how rapidly natural selection can act when the environment changes. Students use two different types of tools to represent different beak types to see which is best adapted to collect and "eat" seeds of different sizes. Students collect and analyze data and draw conclusions about traits that offer a selective advantage under different environmental conditions. They have the option of using an Excel spreadsheet to calculate different descriptive statistics and interpret graphs.
Lottie Peppers

Science Fair Project Resource Guide - 0 views

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    If you've never done a science fair project before, DON'T PANIC! The IPL's Science Fair Project Resource Guide will help you through the whole project by guiding you to a variety of excellent web resources.
Lottie Peppers

Tiktaalik roseae: Resources & Further Reading - 0 views

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    PBS created a three-part television series based off of Neil Shubin's best-selling book, Your Inner Fish. Along with the series, they have created an excellent website with teaching resources, video clips, and interactive features to guide you through the record of evolution in our bodies.
Lottie Peppers

Revolution CT - Computed Tomography - Products - gehealthcare.com - 0 views

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    Computed tomography (CT) is an excellent noninvasive technique to investigate bones and soft tissue structures in a patient. Unfortunately, sometimes imaging can be difficult, as any movement from the patient can result in images that are unclear and need to be redone. This is especially difficult when dealing with patients who are young children, mentally impaired, suffering from motor disease, or are in pain. To ensure these images are clear, these challenging patients may require sedation, which is not desirable. General Electronics sought to facilitate treatment of these patients and improve the imaging process in general with the development of the Revolution CT.
Lottie Peppers

Grandma's Experiences Leave Epigenetic Mark on Your Genes | DiscoverMagazine.com - 0 views

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    Your ancestors' lousy childhoods or excellent adventures might change your personality, bequeathing anxiety or resilience by altering the epigenetic expressions of genes in the brain.
Lottie Peppers

Cut It Out! - National Center for Case Study Teaching in Science - 0 views

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    This directed case study was developed to introduce students to the CRISPR-Cas9 system for genome editing. CRISPR-Cas9 has made numerous headlines in both the scientific and popular press, and thus serves as an excellent model for learning current biotechnology and applying concepts from biology courses. After providing a general overview of CRISPR-Cas9, the majority of the case focuses on the clinical applications of the system as experienced by a carrier for the X-linked recessive allele underlying Duchenne Muscular Dystrophy. The case is structured so that students use a variety of popular and scientific sources (some of which may require a subscription to access-check with your institution), increasing in difficulty as they move through each part of the case. The goals are for students to learn the molecular mechanisms of CRISPR-Cas9, the benefits and limitations of the system, and the clinical applications of the technology. Open-ended questions are included to spark discussion of ethical considerations, societal impacts, and the overall implications of the technology.
Lottie Peppers

Mad Dogs and Chicken Heads - National Center for Case Study Teaching in Science (NCCSTS) - 0 views

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    Although rabies still causes thousands of deaths globally every year, it has essentially been eradicated from most industrialized countries. Part of the success story is due to an unusual project undertaken by the Swiss prompted by a series of large outbreaks in the 1970s: the large-scale vaccination of wild foxes to stop the epidemic. In this directed case study, students use an easily accessible MS Excel-based model to understand key epidemiological parameters of rabies outbreaks in wild foxes. The simple model allows students also to predict what proportion of foxes needs to be vaccinated to eradicate the virus from the population. The case fits into both ecological and microbiological (epidemiological) courses and offers opportunities to explore zoonotic diseases and "One Health" questions. The mathematical basis of the differential equations in the models is explained, although prior knowledge of calculus is not essential. A key learning outcome is the critical understanding of both the power and limitations of simple epidemiological models. This case was written for an online course but could also be used as a face-to-face activity if students have access to computers in class.
Lottie Peppers

TEP Clearinghouse | Center for Excellence in Education - 0 views

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    The TEP Clearinghouse is an online compendium of science resources within targeted states. Laboratory-based programming at the state, national, and virtual level is highlighted, as well as public / private partnerships that are cost effective, replicable, scalable, and assessable. The Clearinghouse is available cost free to any teacher and all content listed is free to access and use in the classroom.  Over 1,200 resources have been identified to date.
Lottie Peppers

Women's History and STEM: 7 Ideas for Young Explorers | FREE - Federal Registry for Edu... - 0 views

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    For centuries, women have studied and made groundbreaking discoveries in STEM (Science, Technology, Engineering, and Mathematics) fields. Encourage your girls and boys to appreciate the contributions of women scientists. With our seven ideas, learn about some outstanding women from the history of STEM innovation and inspire your kids' scientific explorations - indoors and outdoors.
Lottie Peppers

Posters - Jamie Clark Educational - 1 views

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    High-quality PDFs of my one-page posters on educational topics are available to download for free.
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