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Showing 1-100 of 229 Resources
  • Mate Choice in Spiders

    Mate Choice in Spiders

    Data Points

    Scientists investigated how males choose their mates in a species of sexually cannibalistic spiders.

  • Analyzing Data on Tuskless Elephants

    Analyzing Data on Tuskless Elephants

    Activities

    In this activity, students analyze data to investigate tusklessness in elephant populations.

  • Cougars and Trees in a Trophic Cascade

    Cougars and Trees in a Trophic Cascade

    Data Points

    In Zion National Park, scientists studied the effects of tourism on cougars and cottonwood trees.

  • Asking Scientific Questions

    Asking Scientific Questions

    Activities

    In this activity, students practice developing and analyzing creative scientific questions.

  • Serengeti Wildebeest Population Regulation

    Serengeti Wildebeest Population Regulation

    Data Points

    In Serengeti National Park, Tanzania, scientists investigated how the eradication of rinderpest disease led to the wildebeest population boom.

  • How Science Works

    How Science Works

    Click & Learn

    This interactive tool allows students and educators to document, annotate, and reflect upon their own and others' scientific research process.

  • Salt Stress Impacts Photosynthesis in Algae

    Salt Stress Impacts Photosynthesis in Algae

    Data Points

    Scientists investigated how salt affects the photosynthetic electron transport chain in freshwater green alga.

  • Age Structure of Ebola Outbreaks

    Age Structure of Ebola Outbreaks

    Data Points

    Scientists analyzed demographics, including sex and age, of the spread of the Ebola Virus Disease during seven outbreaks in the Democratic Republic of Congo.

  • Mapping the Darién Gap

    Mapping the Darién Gap

    Scientists at Work

    (10 min 35 sec) Indigenous communities from the tropical rainforest of Darién, Panama use drones to map their land to protect it from outside threats and to make sustainable land use plans. Also available in Spanish.

  • Developing an Explanation for Mouse Fur Color

    Developing an Explanation for Mouse Fur Color

    Activities

    Students collect and analyze evidence for each of the major conditions for evolution by natural selection to develop an explanation for how populations change over time. Also available in Spanish.

  • Cystic Fibrosis Mechanism and Treatment

    Cystic Fibrosis Mechanism and Treatment

    Animations

    (2 min 31 sec) Mutations in the CFTR gene, which encodes a transmembrane ion channel, cause mucus buildup in the airways of patients with cystic fibrosis.

  • CRISPR-Cas 9 Mechanism & Applications

    CRISPR-Cas 9 Mechanism & Applications

    Click & Learn

    Explore this dynamic interactive to learn the basic principles of how this revolutionary tool works and the many ways in which scientists are using it in their research.

  • Using Images as Phenomena

    Using Images as Phenomena

    Activities

    This hands-on activity engages students in asking questions about phenomena using images from the Image of the Week Collection.

  • Pelvic Evolution in Sticklebacks

    Pelvic Evolution in Sticklebacks

    Data Points

    Scientists used SNP genotyping in populations of freshwater stickleback fish to determine the genetic mutations responsible for the impaired development of pelvises and spines.

  • Central Dogma Card Activity

    Central Dogma Card Activity

    Activities

    In this hands-on activity students review the steps of eukaryotic gene expression and learn how this knowledge can be used to treat genetic disease.

  • Data Points Guide

    Data Points Guide

    Resource Guides

    A guide to BioInteractive’s Data Point resources aligned to relevant curriculum standards.

  • Scientists at Work Guide

    Scientists at Work Guide

    Resource Guides

    A guide to BioInteractive’s Scientists at Work series of videos aligned to relevant curriculum standards.

  • New Laetoli Footprints and Hominin Body Size

    New Laetoli Footprints and Hominin Body Size

    Data Points

    Scientists were excavating a site in Laetoli, Tanzania when they uncovered two new sets of hominin tracks located about 150 meters south of the tracks found by Mary Leakey in the 1970’s. They estimated the heights of the two individuals using the size and shape of the footprints.

  • Think Like a Scientist: Gorongosa

    Think Like a Scientist: Gorongosa

    Scientists at Work

    This short video tells the story of how a large-scale project to restore the wildlife of Gorongosa National Park began and describes the project’s approach of combining traditional conservation biology methods with solutions for addressing challenges in the community.

  • Film Guide for Genes as Medicine

    Film Guide for Genes as Medicine

    Film Guides

    The following classroom-ready resources complement the film Genes as Medicine. It tells the story of the successes and challenges that led to the development of the first FDA-approved gene therapy for a genetic disease.

  • Niche Partitioning and DNA Metabarcoding

    Niche Partitioning and DNA Metabarcoding

    Click & Learn

    This interactive explores niche partitioning as a mechanism that enables similar species of animals to coexist.

  • Maternal Microbiota Impacts Offspring Immune System

    Maternal Microbiota Impacts Offspring Immune System

    Data Points

    In this study, scientists compared two populations of pregnant mice, one which was kept germ-free throughout pregnancy and the other which was exposed during pregnancy to a strain of E. coli to determine whether the immune systems of offspring begin to develop in utero. Worksheets also available in Spanish.

  • Seed Dispersal in Tropical Forests

    Seed Dispersal in Tropical Forests

    Activities

    In this activity, students use data from published studies to understand patterns of seed dispersal and apply these ideas to the design of a conservation area.

  • Role of p53 in the Cell Cycle

    Role of p53 in the Cell Cycle

    Data Points

    Researchers investigated the role of p53 in cell cycle regulation by genetically engineering a cell line with deleted copies of the p53 gene. They exposed the cell lines to DNA-damaging radiation and observed how this exposure impacted mitosis. Worksheets also available in Spanish.

  • The Search for a Mutated Gene

    The Search for a Mutated Gene

    Scientists at Work

    (8 min 54 sec) How do you identify the disease-causing mutation in a patient with an inherited disease? This video illustrates the steps involved—testing for genes that are the “usual suspects,” searching for mutations in novel genes, and assessing links between genotype and phenotype.

  • Mosquitoes Might SAVE Lives, Thanks To Bacteria

    Mosquitoes Might SAVE Lives, Thanks To Bacteria

    Feature Films

    (9 min 4 sec) Dengue fever is a deadly mosquito-borne virus that plagues the earth, but science is inching closer to an unlikely solution: bacteria.

  • Genes as Medicine

    Genes as Medicine

    Short Films

    (17 min 16 sec) Watch the story of how gene therapy restored the sight of a nearly-blind young patient. Told from the perspective of two researchers who spent over 25 years working to develop this breakthrough technology, this short film chronicles their successes and challenges, and illustrates how the method works to treat inherited conditions.

  • Origins of Antibiotic Resistance

    Origins of Antibiotic Resistance

    Data Points

    Scientists collected bacteria from locations that had never been exposed to humans or modern antibiotics to determine if antibiotic resistance is newly evolved since the introduction of antibiotics or has evolved independently.

  • Identifying the Key Genes for Regeneration

    Identifying the Key Genes for Regeneration

    Scientists at Work

    (9 min 55 sec) Planarians have an amazing ability to regenerate lost tissues. In this video, scientists knock out two different genes in planaria to start to understand how the process works—and they generate animals with two heads and two tails!

  • Vertebrate Declines and the Sixth Mass Extinction

    Vertebrate Declines and the Sixth Mass Extinction

    Data Points

    In this study, researchers measured species population declines on a global scale that may contribute to the sixth mass extinction.

  • Virus Hunters: Epidemiology of Nipah Virus

    Virus Hunters: Epidemiology of Nipah Virus

    Activities

    In this activity, students will be exploring cases of Nipah virus (NiV) infection as an epidemiologist would, by collecting evidence and making calculations and predictions, based on scientific data.

  • Central Dogma and Genetic Medicine

    Central Dogma and Genetic Medicine

    Click & Learn

    This interactive uses the central dogma as a model for exploring how modern molecular biology technologies can be used to treat genetic diseases.

  • What van Leeuwenhoek Saw

    What van Leeuwenhoek Saw

    Activities

    This hands-on activity helps students understand concepts related to building scale models by using cards of microorganisms and cells that were first visualized by Antonie van Leeuwenhoek.

  • Predator-Prey Relationship Dynamics

    Predator-Prey Relationship Dynamics

    Data Points

    In a study in Greenland, scientists examined whether changes in population densities of Arctic fox are related to changes in population densities of its main prey, the lemming.

  • Tracking Genetically Modified Mosquitoes

    Tracking Genetically Modified Mosquitoes

    Activities

    Genetically modified mosquitoes have been used to reduce mosquito populations and the diseases they spread. But how can we tell if the method works? In this activity, students analyze data from a field experiment.

  • Microbial Community Response to an Oil Spill

    Microbial Community Response to an Oil Spill

    Data Points

    Researchers monitored the succession of the microbial community in the Gulf of Mexico using data from before, during, and after the Deepwater Horizon oil spill.

  • Population Dynamics

    Population Dynamics

    Click & Learn

    Explore the exponential and the logistic growth mathematical models that describe how population changes with time.

  • Using Wolbachia to Suppress Mosquito Fertility

    Using Wolbachia to Suppress Mosquito Fertility

    Data Points

    In this study, researchers tested whether releasing Wolbachia-infected male Aedes albopictus (Asian tiger mosquitoes) would suppress populations of this mosquito species in their study area.

  • How Lizards Find Their Way Home

    How Lizards Find Their Way Home

    Scientists at Work

    (8 min 33 sec) When Dr. Manuel Leal removed lizards from an area in the forest, he noticed an interesting phenomenon: all the lizards seemed to be back the next day. Watch as he sets up an experiment to study how these lizards navigate home. Also available in Spanish.

  • WildCam Darién

    WildCam Darién

    Click & Learn

    Researchers in Darién and Soberanía National Parks use remote trail cameras to study jaguars and their prey. You can contribute to this important research through WildCam Darién, an online citizen science platform.

  • Sleep Clears β-amyloid from the Brain

    Sleep Clears β-amyloid from the Brain

    Data Points

    The researchers in this study tested whether the rate of Aβ removal is higher during sleep using mice as model organisms. Worksheets also available in Spanish.

  • Trophic Cascades in Salt Marsh Ecosystems

    Trophic Cascades in Salt Marsh Ecosystems

    Scientists at Work

    (10 min 1 sec) Ecologist Brian Silliman uses manipulative field experiments to reveal that salt marsh ecosystems are under top down control from consumers and predators.

  • Riverine Food Webs – How Flow Rates Affect Biomass

    Riverine Food Webs – How Flow Rates Affect Biomass

    Scientists at Work

    (9 min 15 sec) Ecologist Mary Power studies the Eel River in Northern California to figure out the connection between river flows and biodiversity.

  • Mimicry in a Diverse Community of Arthropods

    Mimicry in a Diverse Community of Arthropods

    Data Points

    Researchers exposed arthropod mimics that use a golden patch to warn of unpalatability to predators with different prey preferences to determine how effective their warnings were.

  • Snail Fronts and Salt Marsh Die-Offs

    Snail Fronts and Salt Marsh Die-Offs

    Data Points

    Researchers studied whether periwinkle snail fronts expand mudflats and contribute to salt marsh die-offs.

  • Tracking Global Changes in Forest Cover

    Tracking Global Changes in Forest Cover

    Data Points

    Researchers used satellite imagery analyze the amount of forest that was lost annually across the globe between 2000 and 2012.

  • Studying Elephant Communication

    Studying Elephant Communication

    Scientists at Work

    (6 min 43 sec) Elephants can communicate over long distances using low-frequency sounds that travel both in the air and through the ground. Scientists are studying whether elephants can “hear” and interpret these ground vibrations.

  • Cell Division and Cancer Risk

    Cell Division and Cancer Risk

    Data Points

    Cancer is typically attributed to hereditary and environmental factors, but these only explain a fraction of overall cancer risk. In this study, researchers investigated how a third factor—chance genetic mutations that occur during stem cell division—may contribute to the overall rate of cancer incidence in different body tissues.

  • Resource Guides

    Resource Guides

    Collection

    Designed by educators, BioInteractive’s resource guides will help you select BioInteractive resources aligned to specific topics and standards, including the AP® Biology Curriculum Framework.

  • Bat Echolocation

    Bat Echolocation

    Data Points

    In this study, researchers tested whether bats change their behavior while hunting based on feedback from echolocation.

  • DNA Profiling Activity

    DNA Profiling Activity

    Activities

    This multi-part lesson is designed to give students a firm understanding of genetic profiling using short tandem repeats (STRs), which is a process used by forensics labs around the world. 

  • Dating Corn Domestication Using Carbon Isotopes

    Dating Corn Domestication Using Carbon Isotopes

    Data Points

    To study the change in diet as human populations changed lifestyles from hunter-gatherers to agriculturalists, scientists measured carbon isotopes in the collagen tissues of human skeletons from North America.

  • Genetically Modified Mosquitoes

    Genetically Modified Mosquitoes

    Scientists at Work

    (8 min 35 sec) Learn the process by which a line of genetically modified mosquitoes was engineered to reduce populations of Aedes aegypti mosquitoes in the wild.

  • How Animals Use Sound to Communicate

    How Animals Use Sound to Communicate

    Click & Learn

    Using elephants, finches, bats, and moths, as case studies, explore different aspects of how animals use sound to communicate.

  • Patterns of Zoonotic Disease

    Patterns of Zoonotic Disease

    Data Points

    In this study, scientists analyzed previously published data on terrestrial mammal zoonotic host species and the pathogens they carry to search for global patterns of zoonotic disease distribution.

  • The Effects of Fungicides on Bumble Bee Colonies

    The Effects of Fungicides on Bumble Bee Colonies

    Scientists at Work

    (6 min 25 sec) Are fungicides safe for bumble bees? Entomologist Shawn Steffan designed an experiment to answer this question.

  • Tagging Bumble Bees to Study Their Movements

    Tagging Bumble Bees to Study Their Movements

    Scientists at Work

    (6 min 1 sec) Graduate student Jeremy Hemberger designs an experiment to study the foraging behavior of bumble bees in different habitats.

  • The Great Elephant Census Modeling Activity

    The Great Elephant Census Modeling Activity

    Activities

    In this classroom activity, students will model two types of counting methods, sample counts and total counts, to determine population size. 

  • Dead Zones in Coastal Ecosystems

    Dead Zones in Coastal Ecosystems

    Data Points

    Researchers overlaid the locations of more than 400 hypoxic systems linked to eutrophication on a map of the global “human footprint.”

  • Thermoregulation in Dinosaurs

    Thermoregulation in Dinosaurs

    Data Points

    Grady and colleagues compared dinosaur fossil evidence with evidence from living animal species to shed more light on the type of thermoregulation that dinosaurs used—ectothermy, endothermy, or mesothermy.

  • Discovering Keystone Species

    Discovering Keystone Species

    Posters

    This classroom poster illustrates Robert Paine’s pioneering experiment that demonstrated the importance of top-down regulation of ecological communities by predators and led to his coining of the term keystone species.

  • Film Guide for Some Animals are More Equal than Others

    Film Guide for Some Animals are More Equal than Others

    Film Guides

    The following classroom-ready resources complement the film Some Animals Are More Equal Than Others: Trophic Cascades and Keystone Species. It tells the story of the bold experiments by Robert Paine and James Estes, which established the importance of keystone species in regulating ecological communities and the cascades of effects set in motion by their removal.

  • Virus Hunter: Monitoring Nipah Virus in Bat Populations

    Virus Hunter: Monitoring Nipah Virus in Bat Populations

    Scientists at Work

    (9 min 1 sec) In this video we follow scientists working in Bangladesh as they test fruit bat populations to determine whether they are infected with Nipah virus—a potentially deadly virus when passed on to humans.

  • Selective Breeding in Maize

    Selective Breeding in Maize

    Data Points

    Researchers performed the longest-running, controlled artificial selection experiment to study whether they could increase the protein concentration of maize (corn) by selective breeding.

  • Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Data Points

    A team of scientists analyzed the DNA from seized ivory to determine where the ivory from poached elephants came from.

  • CSI Wildlife

    CSI Wildlife

    Click & Learn

    In this interactive, students use DNA profiling, or fingerprinting, to solve two cases of elephant poaching. In the process they will learn about genetic markers, PCR, gel electrophoresis, allele frequencies, and population genetics.

  • Survey Methods

    Survey Methods

    Click & Learn

    In this interactive, students explore the methods scientists use to survey elephants and learn about the current state of the elephant population in Africa.

  • The Great Elephant Census

    The Great Elephant Census

    Scientists at Work

    (8 min 23 sec) How many African elephants are left and where are they? This video follows the work of researchers conducting the first census of African savanna elephants in over 40 years and the methods they are using to obtain accurate, up-to-date numbers across the continent. 

  • Elephants

    Elephants

    Collection

    Students will learn about DNA profiling (or fingerprinting), how population sizes are measured, genetic bottlenecks, and how sound travels, as they explore several interactives and videos based on...

  • Origin of a Gene Mutation Causing Early-Onset Alzheimer’s Disease

    Origin of a Gene Mutation Causing Early-Onset Alzheimer’s Disease

    Data Points

    A team of scientists built a pedigree of a large extended family in Antioquia, Colombia, that has a high prevalence of early-onset familial Alzheimer’s disease due to a mutation in the PSEN1 gene. Worksheets also available in Spanish.

  • Metabarcoding

    Metabarcoding

    Clips

    (3 min 38 sec) Dr. Rob Pringle introduces a new method of studying herbivore diets by extracting plant DNA from animal dung.

  • Moth Mimicry: Using Ultrasound to Avoid Bats

    Moth Mimicry: Using Ultrasound to Avoid Bats

    Scientists at Work

    (10 min 24 sec) This video follows scientists as they uncover the ways in which moth species in Gorongosa National Park use ultrasound to avoid being eaten by bats.

  • Amylase Copy Number and Diet

    Amylase Copy Number and Diet

    Data Points

    A team of scientists investigated whether there is a correlation between the number of AMY1 gene copies and the type of diet (high-starch or low-starch) of a population.

  • Spanish Materials

    Spanish Materials

    Collection

    A selection of short films, animations, classroom materials, and interactive features that are available in Spanish. Go to the resource pages below to find links to view or download the Spanish...

  • WildCam Lab

    WildCam Lab

    Click & Learn

    The WildCam Lab is a part of WildCam Gorongosa, an online citizen science platform where users identify animals in trail camera photos. Using the WildCam Lab, students can investigate ecological questions and test hypotheses by exploring trail camera data using an interactive map. 

  • Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades

    Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades

    Short Films

    (19 min 29 sec) Keystone species and trophic cascades are fundamental concepts in ecology. This short film tells the story of how these concepts were first established through the pioneering experiments of two young researchers: Robert Paine and James Estes.

  • Spreadsheet Tutorial 5: Histogram

    Spreadsheet Tutorial 5: Histogram

    Activities

    Generate a histogram using a variety of methods.

  • Spreadsheet Tutorial 4: t-Test

    Spreadsheet Tutorial 4: t-Test

    Activities

    Calculate t-values and perform t-tests using built-in functions.

  • Identifying Autism Genes by Tracking Gene Mutations

    Identifying Autism Genes by Tracking Gene Mutations

    Data Points

    A team of scientists used homozygosity mapping to map SNPs on chromosome 3 in a family with an autistic son to identify a likely gene that caused the disorder.

  • Building Ecological Pyramids

    Building Ecological Pyramids

    Activities

    In this activity, students will build biomass pyramids depicting trophic levels of various habitat types using data from trail cameras in Gorongosa National Park.

  • Data Points

    Data Points

    Data Points

    BioInteractive’s Data Points are a monthly series that features a graph or figure from a scientific journal article for students to interpret and discuss as a class. The student handout includes the...

  • Student Discussion on Patterns and Processes in Ecology

    Student Discussion on Patterns and Processes in Ecology

    Science Talks

    (56 min 17 sec) The 2015 Holiday Lecture discussion session.

  • The Teosinte Hypothesis

    The Teosinte Hypothesis

    Activities

    In this lesson, students work through the mathematics and concepts behind George Beadle’s claim that teosinte is the wild ancestor of maize. Also available in Spanish.

  • Effects of Predation on the Niche of Lizards

    Effects of Predation on the Niche of Lizards

    Data Points

    A team of scientists studied the effects of introducing a lizard predator on the food webs of a group of small islands in the Bahamas.

  • A Science-Based Approach to Restoring Gorongosa's Wildlife

    A Science-Based Approach to Restoring Gorongosa's Wildlife

    Scientists at Work

    (7 min 45 sec) Scientists from Gorongosa National Park relocate zebras from a nearby reserve as part of the effort to restore healthy wildlife populations.

  • Surveying Ant Diversity in Gorongosa National Park

    Surveying Ant Diversity in Gorongosa National Park

    Scientists at Work

    (7 min 46 sec) Conservation biologist Leeanne Alonso is surveying ant species Gorongosa National Park to monitor the health of the park’s ecosystems

  • Efficacy of a Treatment for Chronic Myeloid Leukemia

    Efficacy of a Treatment for Chronic Myeloid Leukemia

    Data Points

    Dr. Brian Druker and colleagues monitored white blood cell counts in six patients with chronic myeloid leukemia treated with the drug, STI571, which blocks the activity of the cancer-causing tyrosine kinase BCR-ABL.

  • Animated Life: The Living Fossil Fish

    Animated Life: The Living Fossil Fish

    Animated Shorts

    (7 min 18 sec) This animated short film tells the engaging tale of the discovery of the coelacanth.

  • Animated Life: Mary Leakey

    Animated Life: Mary Leakey

    Animated Shorts

    (7 min 52 sec) This animated short film recounts the life and work of paleoanthropologist Mary Leakey, including her discovery of the Laetoli footprints.

  • Animated Life

    Animated Life

    Collection

    These five short films, produced in conjunction with The New York Times, bring to life five historical scientific discoveries and the people behind them: Alfred Russel Wallace and his contribution to...

  • Origin of Birds With Quiz

    Origin of Birds With Quiz

    Interactive Videos

    (18 min 59 sec) Embedded quiz modules test students’ understanding as they watch a short film about the evidence that showed birds descended from dinosaurs.

  • Trends in Atmospheric Carbon Dioxide

    Trends in Atmospheric Carbon Dioxide

    Data Points

    Charles David Keeling began measuring atmospheric carbon dioxide (CO2) in 1958 at the Mauna Loa observatory on the big island of Hawaii.  This graph shows atmospheric carbon dioxide concentration in parts per million (ppm) by volume from 1958 to 2016. Worksheet also available in Spanish.

  • Scientists at Work

    Scientists at Work

    Collection

    Less than 10 minutes in length, each video dives into a scientific problem and how it is being studied. The accompanying handouts help assess student understanding and encourage further analysis....

  • Resistance to Coral Bleaching

    Resistance to Coral Bleaching

    Data Points

    To test whether corals can become more resistant to bleaching, Dr. Steve Palumbi and colleagues performed a series of experiments in the U.S. National Park of American Samoa off of Ofu Island.

  • Gorongosa: Using Citizen Science to Study Ecology

    Gorongosa: Using Citizen Science to Study Ecology

    Short Courses

    This course connects you to actual ecological research in Gorongosa National Park in Mozambique. Gorongosa was once a thriving national park, until decades of war decimated the park’s large...

  • Lesson 8 - WildCam Gorongosa: Data Analysis

    Lesson 8 - WildCam Gorongosa: Data Analysis

    Activities

    In this activity, students will collect actual data from WildCam Gorongosa and use those data to create graphs and answer an ecological question of their choice.

  • Lesson 7 - Observations Across Habitats

    Lesson 7 - Observations Across Habitats

    Activities

    In this lesson, students will compare wildlife in two different habitats by making observations using sets of trail camera photos. They will then use these observations to formulate questions for further study.

  • Lesson 5 - Tracking Lion Communities

    Lesson 5 - Tracking Lion Communities

    Activities

    For this lesson, students will watch the video “Tracking Lion Recovery in Gorongosa National Park” and complete a worksheet.

  • Lesson 3 - Scientific Inquiry with WildCam Gorongosa

    Lesson 3 - Scientific Inquiry with WildCam Gorongosa

    Activities

    In this lesson, students will use WildCam Gorongosa to start making observations and generating scientific questions using a single trail camera photo.

  • Sampling and Normal Distribution

    Sampling and Normal Distribution

    Click & Learn

    Graphically explore how sample distribution and standard error of the mean depends on the sample size.

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