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Lottie Peppers

Science Education Partnership Curriculum Fred Hutch - 0 views

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    At Fred Hutch, we support engaging, challenging and relevant classroom learning experiences for all students by providing access to high-quality instructional materials developed by teachers and scientists. Our free, open-source lessons and units are geared towards high school biotech and biology teachers and focus on giving students opportunities to explore biotechnology and the social dimensions of research science.
Lottie Peppers

Blue People Lab - Science Classroom Teacher Resources - 0 views

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    Hereditary methemoglobinemia (met-H) is a human genetic disease that is inherited as an autosomal recessive.
Lottie Peppers

The Immune System - 0 views

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    This interactive module introduces the anatomy of the immune system and walks through the timeline of a typical immune response.  The timeline includes the differences between the first time a pathogen is encountered versus subsequent infections, including an explanation of how vaccines work. Different tabs, videos, images, questions, and a detailed glossary of terms allow this resource to be explored at varying levels of depth depending on the class. Refer to the "Educator Resources" tab in the Click & Learn for implementation suggestions. 
Lottie Peppers

White-Nose Syndrome in Bat Populations - 0 views

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    This activity guides the analysis of a published scientific figure from a study that modeled the impact of an infectious fungal disease on a bat population. In 2006, a disease called white-nose syndrome (WNS) began wiping out bat populations in North America. Because many of these bats eat insect pests, the spread of WNS may devastate ecosystems and increase pest control costs. In this study, scientists mathematically modeled the effects of WNS to estimate extinction probabilities for the little brown bat (Myotis lucifugus) population in the northeastern United States. This figure shows these probabilities projected for five annual rates of population decline. Each projection is simulated up to 100 years after WNS emerged in the population. The "Educator Materials" document includes a captioned figure, background information, graph interpretation, and discussion questions. The "Student Handout" includes a captioned figure and background information.
Lottie Peppers

Find a Lesson - Population Education - 0 views

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    TEACHING POPULATION MEANS GLOBAL LEARNING & SUSTAINABILITY It's all about people - how many of us there are, how we shape the world, and how we interact with each other.
Lottie Peppers

Explore Bunny Selection and Mutations with PHET - 0 views

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    Students can manipulate mutations in bunnies, such as fur color and teeth length. By altering the environmental factors, students can see how the bunny populations change over time. For example, in a warm environment, more bunnies will have brown fur, but in the cold environment, more bunnies will have white fur. The student worksheet includes instructions on how the simulator works. Then students perform a variety of "experiments" to explore mutations in the populations. I include this as part of a unit on evolution, so students are familiar with VIDA charts. Students complete a chart at the end of the activity to summarize how variations in populations lead to adaptation.
Lottie Peppers

The Dutch Hunger Winter - National Center for Case Study Teaching in Science (NCCSTS) - 0 views

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    n this interrupted case study, students learn about the influence of early fetal nutritional conditions on the expression of genes related to metabolism and growth. Beginning with the true event of a food and fuel embargo that led to famine in the western Netherlands toward the end of World War II, students learn about the historical background of the Dutch Hunger Winter and its social impact. Using real data from the study conducted by Heijmans and coauthors (2008), students then compare the methylation level of a specific gene between individuals conceived during the famine and their unaffected siblings, and how changes in the expression of this metabolically important gene may impact the risk of developing type 2 diabetes. Supported by other studies on mice and in humans, students conclude that in utero events may impact the health of individuals later in life through epigenetic mechanisms. The case is ideally suited for a molecular or cell biology course, but is also appropriate for an introductory biology course in which students have an understanding of descriptive statistics, interpretation of statistical test results, eukaryotic gene structure, and regulation of gene expression.
Lottie Peppers

Epidemiology of Nipah Virus - 0 views

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    This activity complements the video Virus Hunter: Monitoring Nipah Virus in Bat Populations. Students explore cases of Nipah virus infection, analyze evidence, and make calculations and predictions based on data. Students assume the role of epidemiologists analyzing real data from an outbreak of Nipah virus in Malaysia, attempting to identify the reservoir of the virus and curtail the outbreak. Students will make predictions, perform calculations, adapt to new information, and make recommendations to the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO).
Lottie Peppers

Small Girl, Huge Appetite - National Center for Case Study Teaching in Science (NCCSTS) - 0 views

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    This "clicker case" tells the story of "Hannah," a baby girl adopted by two loving parents who grows up with an uncontrolled appetite and develops severe early-onset obesity. Students follow Hannah's story as she develops excessive eating early in life, which her health care team is unable to explain. A visit to obesity specialists finally reveals the underlying cause of Hannah's obsession with food: extremely low levels of circulating leptin, a hormone that regulates appetite and body weight. It is further discovered that Hannah's leptin deficiency is due to a mutation in the LEP gene. As the story unfolds, students first work on unit conversions and BMI calculations to practice quantitative skills as well as graph and data interpretation skills. Students then apply their knowledge of DNA transcription, translation, and protein structure to answer questions based on figures from a 2019 study on LEP mutations. The case is best suited for high school and lower-level undergraduate biology courses.
Lottie Peppers

Exploring Island Biogeography through Data - 0 views

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    In this activity, students analyze scientific figures to understand principles of island biogeography theory that determine the number of species in an isolated habitat. This activity uses a jigsaw approach to explore the processes that determine the equilibrium number of species in a habitat and how they are affected by both area and isolation. Two "Student Handouts" are provided as options for the activity. The "Analyzing Graphical Data" handout engages students in graph interpretation and sensemaking from data. The "Building the Equilibrium Model" handout facilitates a scaffolded investigation of the dynamic equilibrium model of island biogeography; students construct immigration and extinction curves to demonstrate the effects of area and isolation on the equilibrium number of species. 
Lottie Peppers

Hog farming's poop lagoon problem - Vox - 0 views

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    For this third episode of our video series with Vox's Future Perfect team, we went to North Carolina, a state that's been battling the public health and environmental impact of hog lagoons for decades. The issue is especially grave in this state due to the vulnerable populations who bear the brunt of this pollution, and because hog facilities are so concentrated in such a small area.
Lottie Peppers

Meet the Competition Giving Us a Glimpse at the Proteins of the Future - Seeker - 0 views

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    That's the premise behind XPRIZE Feed The Next Billion, a $15 million competition incentivizing teams around the globe to produce chicken breast or fish filet alternatives that outperform conventional chicken and fish in a number of areas - from sustainability to nutrition to animal welfare, as well as taste and texture. To achieve that, teams are leaning into two methods: cultivated meat and plant-based meat alternatives. The multi-year competition is underway right now, and could provide us with the breakthrough we need to change how we eat, for good.
Lottie Peppers

Teach Evolution - Understanding Evolution - 0 views

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    Evolution is essential to our curriculum and to scientific literacy. To understand the big picture of biology, students need to understand life in terms of both its history and its future - the changing life forms and ecosystems that have arisen and changed over billions of years, as well as the mechanisms that brought about those changes and are shaping the future of life on Earth.
Lottie Peppers

Spiraling the Carbon Cycle Using BioInteractive - 0 views

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    In order to develop complex scientific explanations, students need to have many opportunities to grapple with a concept, look at it from various points of view, and analyze data representing different relationships. I plan the sequence and flow of my AP Environmental Science course strategically to ensure I am making these connections using a concept called "curriculum spiraling."
Lottie Peppers

Biology of SARS-CoV-2 - 0 views

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    This three-part animation series explores the biology of the virus SARS-CoV-2, which has caused a global pandemic of the disease COVID-19.
Lottie Peppers

Glycolysis - 0 views

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    This animation shows how glycolysis converts glucose into pyruvate through a series of enzyme reactions. It is the first of six animations about cellular respiration. These animations bring to life the molecular engines inside mitochondria that generate ATP, the main source of chemically stored energy used throughout the body.
Lottie Peppers

Natural Selection Simulation - 0 views

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    Teachers: the files here are only a sampling of possible virtual lab assignments. You are welcome to use the simulations however you see fit for your classroom and students.
Lottie Peppers

A Fatal Bite - National Center for Case Study Teaching in Science (NCCSTS) - 0 views

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    In this case study, students follow "Mr. Okoro" as he makes the long journey with his sick daughter "Ada" to seek medical attention at the nearest clinic in Enugu, Nigeria. It is the rainy season, and "Dr. Fabian" from the Division of Parasitic Diseases and Malaria has been called in to investigate a suspected outbreak of malaria. Students learn about the circumstances in Ada's background that may have led to her illness, and then adopt the perspective of Dr. Fabian as she investigates the outbreak. They consider the epidemiological triangle, the different stages of the Plasmodium parasite lifecycle and how it leads to malaria, and evaluate the broader societal factors and future implications of malaria in Sub-Saharan Africa. The case was designed for upper-level global health, public health, and human biology courses, but could also be adapted for general biology, health studies, infectious disease, and epidemiology courses.
Lottie Peppers

Are Oxpeckers Friends or Foes? - National Center for Case Study Teaching in Science (NC... - 0 views

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    Symbiotic relationships are interactions between species that live closely with each other and are commonly separated into three types: parasitism, mutualism, and commensalism. Students are often under the impression that these types are distinct and mutually exclusive, but on closer examination some interactions appear to be at times mutualistic, at other times parasitic. Is it perhaps better to think of mutualism and parasitism as two ends of a sliding scale, with commensalism in the middle? In this case study, students consider this question by examining what is often considered to be a classic example of mutualism existing between oxpecker birds and African savanna large mammals. After students examine data from a research study on oxpecker behavior, they then apply a more nuanced understanding of species interactions to a set of additional scenarios. The learning objectives for the case align with the Four-Dimensional Ecology Education Framework. The case was written for an upper-level undergraduate ecology course, but could easily be adapted for an introductory biology course.
Lottie Peppers

Modeling the Structure of DNA - 0 views

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    In this activity, students build a paper model of DNA and use their model to explore key structural features of the DNA double helix. This activity can be used to complement the short film The Double Helix.
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