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Showing 1-80 of 901 Resources
  • Data Points

    Data Points

    Data Point

    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...

  • Cheese Pi

    Cheese Pi

    Image of the Week

    Colonies of bacteria from the rind of a cave-aged cheese, cultured on a petri dish.

  • Student Discussion on Patterns and Processes in Ecology

    Student Discussion on Patterns and Processes in Ecology

    Lecture

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

  • The Teosinte Hypothesis

    The Teosinte Hypothesis

    Activity

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

  • Skin Color Interactive Video

    Skin Color Interactive Video

    Interactive Video

    (18 min 58 sec) Embedded quiz modules test students’ understanding as they watch a short film that explores the evidence for the evolution of the variation in skin color among human populations.

  • Effects of Predation on the Niche of Lizards

    Effects of Predation on the Niche of Lizards

    Data Point

    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.

  • Mosquito-Borne Viral Diseases

    Mosquito-Borne Viral Diseases

    Collection

    Most of the viral diseases transmitted by mosquitoes are caused by RNA viruses. One group of RNA viruses, the flavivirus, includes yellow fever, dengue, West Nile, Japanese encephalitis, St. Louis...

  • Slug Power

    Slug Power

    Image of the Week

    The sea slug, Elysia crispata belongs to a group called the sacoglossans—mostly herbivores that feed, mate and lay eggs on algae.  

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

    A Science-Based Approach to Restoring Gorongosa's Wildlife

    Scientist 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

    Scientist 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

  • Origin of Humans with Quiz

    Origin of Humans with Quiz

    Interactive Video

    (19 min 44 sec) Embedded quiz modules test students’ understanding as they watch a short film on the major human fossil finds from Africa  and what they reveal about the history of our evolutionary origins.

  • Social Networking

    Social Networking

    Image of the Week

    The arrangement of nerve cells in the region of the brain called the hippocampus is essential for the formation and storage of new memories.

  • The Heart of the Matter

    The Heart of the Matter

    Image of the Week

    Early theories of the heart’s role were largely based on its central position in the body.

  • Termite Activity Enhances Ecosystem Productivity and Stability

    Termite Activity Enhances Ecosystem Productivity and Stability

    Animation

    Termite activity increases soil moisture and nutrient accumulation, strengthening African savanna ecosystems.

  • Efficacy of a Treatment for Chronic Myeloid Leukemia

    Efficacy of a Treatment for Chronic Myeloid Leukemia

    Data Point

    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 Short

    (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 Short

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

  • Cancer Evolution

    Cancer Evolution

    Image of the Week

    A computer simulation of cancer growth, in which cell colors correspond to different mutations, reveals that a tumor mass is a mixture of genetically similar cells.

  • Interactive Media

    Interactive Media

    BioInteractive has long been known for its award-winning virtual labs. Now, our interactive media collection also includes Click & Learn activities, featuring embedded video clips and animations...

  • Short Courses

    Short Courses

    BioInteractive’s online courses are multi-part resources organized sequentially to allow you (or your students) to work through as much or as little of a topic as you wish. Assign them to...

  • Origin of Birds With Quiz

    Origin of Birds With Quiz

    Interactive Video

    (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.

  • Crystals and the Color of Skin

    Crystals and the Color of Skin

    Image of the Week

    The panther chameleon alters the arrangement of tiny crystals in its skin to change color.

  • Mass Extinctions Interactive

    Mass Extinctions Interactive

    Click & Learn

    Discover the environmental factors that caused the five big mass extinctions in Earth’s history and which species they impacted.

  • Bioinspired by Seahorse Tails

    Bioinspired by Seahorse Tails

    Image of the Week

    The flexibility of the seahorse’s armored tail is inspiring novel designs with biomedical and architectural applications.

  • Popped Secret Film with Quiz

    Popped Secret Film with Quiz

    Interactive Video

    (17 min 51 sec) Embedded quiz modules test students’ understanding as they watch a short film on the evolutionary origins of corn.

  • Trends in Atmospheric Carbon Dioxide

    Trends in Atmospheric Carbon Dioxide

    Data Point

    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.

  • Gorongosa: Scientific Inquiry and Data Analysis

    Gorongosa: Scientific Inquiry and Data Analysis

    Activity

    In this activity, students will be guided through the investigation of a scientific question, using data from ongoing research in Gorongosa National Park.

  • New Year Bash

    New Year Bash

    Image of the Week

    Some mantis shrimps, for example, Odontodactylus sp., can smash open prey, such as snails and crabs, using powerful specialized limbs.

  • Twinkle, Twinkle Little Desmid

    Twinkle, Twinkle Little Desmid

    Image of the Week

    These tiny star-shaped organisms are single-celled, freshwater green algae called desmids.

  • 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 Point

    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 Course

    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

    Activity

    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

    Activity

    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 6 - Biomes and Landscapes

    Lesson 6 - Biomes and Landscapes

    Activity

    In this lesson, students will use an interactive map of Gorongosa National Park to learn about biomes. They will then explore E.O. Wilson’s Life on Earth iBook to learn about the varied landscapes and vegetation types in Gorongosa.

  • Lesson 5 - Tracking Lion Communities

    Lesson 5 - Tracking Lion Communities

    Activity

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

  • Lesson 4 - Gorongosa's Food Webs

    Lesson 4 - Gorongosa's Food Webs

    Activity

    In this lesson, students will learn about how food webs are constructed and trophic levels in an ecological community. They will then use animals that they identify in WildCam Gorongosa to construct food chains and food webs, and study the impacts of disturbances.

  • Lesson 3 - Scientific Inquiry with WildCam Gorongosa

    Lesson 3 - Scientific Inquiry with WildCam Gorongosa

    Activity

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

  • Lesson 2 - Gorongosa National Park

    Lesson 2 - Gorongosa National Park

    Activity

    In this lesson students will learn about the history of Gorongosa National Park and the ongoing restoration effort through readings and videos.

  • Lesson 1 - WildCam Gorongosa

    Lesson 1 - WildCam Gorongosa

    Activity

    In this lesson students will learn how to use WildCam Gorongosa and get introduced to some of the animals in the park.

  • Gorongosa's Water Cycle

    Gorongosa's Water Cycle

    Animation

    (2 min 15 sec) This animation illustrates the main stages of the water cycle in the setting of Gorongosa National Park.

  • Coral Fluorescence

    Coral Fluorescence

    Image of the Week

    Most corals contain proteins that emit light, or fluoresce, when light shines on them.

  • A Predator in the Plankton

    A Predator in the Plankton

    Image of the Week

    The comb jelly (Beroe cucumis) uses its large mouth and cilia-powered motor to prey upon members of the plankton family, including other ctenophores.

  • To Brine, Or Not To Brine?

    To Brine, Or Not To Brine?

    Image of the Week

    Soaking your Thanksgiving turkey in a salt solution (brine) alters the arrangement of muscle fiber protein molecules.

  • 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.

  • Genetic Origin of Variation in Human Skin Color

    Genetic Origin of Variation in Human Skin Color

    Data Point

    Dr. Rebecca Lamason and colleagues studied the genetic origin of variation in human skin color using a model organism, the zebrafish.

  • Niche Partitioning and Species Coexistence

    Niche Partitioning and Species Coexistence

    Scientist at Work

    (8 min 14 sec) Professor Robert Pringle describes the cutting-edge method of DNA metabarcoding used to reveal how similar animals share resources.

  • Analyzing Patterns in the Savanna Landscape

    Analyzing Patterns in the Savanna Landscape

    Scientist at Work

    (7 min 57 sec) Mathematician-turned biologist Dr. Corina Tarnita describes the importance of termite mounds in a savanna ecosystem.

  • Comparative Anatomy of the Domestic Chicken

    Comparative Anatomy of the Domestic Chicken

    Click & Learn

    Trace the evolutionary history of birds by comparing the shapes and structures of certain bones in a chicken to those of some of its extinct and living relatives. 

  • Gorongosa: Making Observations Activity

    Gorongosa: Making Observations Activity

    Activity

    In this activity, students will use trail camera photos from WildCam Gorongosa to make observations and ask scientific questions as part of the scientific process.

  • Coloring the Past

    Coloring the Past

    Image of the Week

    An electron micrograph of tightly-packed melanosomes in a 55.4-million-year-old fossil bird feather unearthed in Denmark.

  • Human Skin Color: Evidence for Selection

    Human Skin Color: Evidence for Selection

    Activity

    This case study is based on the short film The Biology of Skin Color. Students use real data to propose hypotheses, make predictions, and justify claims with evidence.

  • The Origin of Flight: What Use is Half a Wing?

    The Origin of Flight: What Use is Half a Wing?

    Scientist at Work

    (8 min 16 sec) Biologist Ken Dial's study of how young birds use their developing wings sheds light on the evolution of flight in birds.

  • Natural Selection and the Evolution of Darwin's Finches

    Natural Selection and the Evolution of Darwin's Finches

    Activity

    This lesson is aligned with the NGSS science practices of engaging in argument from evidence using mathematical and computational thinking and analyzing and interpreting data.

  • Reckless Growth

    Reckless Growth

    Image of the Week

    The organization of cells in a healthy mouse intestine is lost in a growing tumor.

  • Primate in a Pumpkin

    Primate in a Pumpkin

    Image of the Week

    The Aye-Aye is a nocturnal lemur, a member of a group of primates that live only on the island of Madagascar. 

  • The Science of Camera Traps

    The Science of Camera Traps

    Lecture

    (23 min 44 sec) A discussion of camera traps and their use in ecological research.

  • Conserving and Restoring Ecosystems

    Conserving and Restoring Ecosystems

    Lecture

    (25 min 21 sec) Two important questions in ecology are "How do we conserve ecosystems?" and  "When we try to restore damaged ecosystems, what state do we restore them to?"

  • Communities as Ecological Networks

    Communities as Ecological Networks

    Lecture

    (41 min 18 sec) Ecosystems include complex interactions between animals and plants, which can be measured experimentally and investigated using mathematical models.

  • Modeling Populations and Species Interactions

    Modeling Populations and Species Interactions

    Lecture

    (30 min 38 sec) Gorongosa National Park in Mozambique provides several examples for how to model the growth of animal populations and then check the models against actual data. 

  • How Species Coexist

    How Species Coexist

    Lecture

    (27 min 25 sec) Large herbivores in the African savanna coexist by partitioning ecological niches by time, space, and diet.

  • Patterns in Nature

    Patterns in Nature

    Lecture

    (35 min 51 sec) Regular spatial patterns abound in natural systems. Understanding how patterns arise in ecosystems provides insights into how these ecosystems function.

  • Africa's Savanna Ecosystems

    Africa's Savanna Ecosystems

    Lecture

    (24 min 56 sec) Savannas cover 20 percent of Earth’s surface and much of Africa. The patterns and processes that occur in this globally important biome illustrate core concepts in ecology.

  • Patterns and Processes in Ecology

    Patterns and Processes in Ecology

    Lecture

    What controls the numbers and distributions of animals in their environment? How do animals interact with other species? How do natural patterns arise in nature? Find out in the 2015 Holiday Lectures on Science.

  • Film Guide for Popped Secret: The Mysterious Origin of Corn

    Film Guide for Popped Secret: The Mysterious Origin of Corn

    Film Guide

    The following classroom-ready resources complement the film Popped Secret: The Mysterious Origin of Corn, which tells the story of how geneticists and archaeologists have come together to determine how and where corn was domesticated nearly 9,000 years ago. 

  • Modeling Ecosystem Effects of Termite Mound Patterns

    Modeling Ecosystem Effects of Termite Mound Patterns

    Data Point

    Dr. Corina Tarnita and colleagues studied how a pattern of termite mounds across a dryland ecosystem enhances resilience against desertification.

  • How We Get Our Skin Color Interactive

    How We Get Our Skin Color Interactive

    Interactive Video

    (3 min 32 sec) This interactive animation about the biology of skin color provides stop points at which students can further explore the material through additional text and illustrations, videos, questions, and simple interactive widgets.

  • Mozambique Mounds

    Mozambique Mounds

    Image of the Week

    Termite mounds in central Mozambique appear as regularly spaced islands of dark-green vegetation in a sea of grassland. 

  • Helena With Cub

    Helena With Cub

    Image of the Week

    A lioness relaxing with her cub in Gorongosa National Park, where scientists are studying the recovery of the lion population. 

  • A Week of Awards for BioInteractive Resources!

    A Week of Awards for BioInteractive Resources!

    Article

    Different resources on BioInteractive won prestigious awards this week. 

  • Mass Extinction: Life at the Brink

    Mass Extinction: Life at the Brink

    Feature Film

    (46 min 19 sec) Five times in Earth’s past, the vast majority of plant and animal species have been annihilated in a geologic instant. What triggered these dramatic events, and what might they tell us about the fate of our world? PLEASE N​OTE: Due to international distribution restrictions, this program can only be streamed in the United States and Canada from October 1, 2015 to June 30, 2016.

  • Wait for Me!

    Wait for Me!

    Image of the Week

    A remote trail camera captures a photo of an elephant calf trying to catch up to the rest of its family group in Gorongosa National Park.

  • Human Feet Are Strange

    Human Feet Are Strange

    Activity

    In this hands-on activity students examine the evidence for the evolution of human bipedality as revealed by a trail of fossil footprints.

  • iTunes U Course: Gorongosa: Using Citizen Science to Study Ecology

    iTunes U Course: Gorongosa: Using Citizen Science to Study Ecology

    Click & Learn

    This iTunes U course teaches concepts in ecology and scientific inquiry through a citizen science project in Gorongosa National Park, Mozambique.

  • You Lookin' at Me?

    You Lookin' at Me?

    Image of the Week

    Waterbucks caught in the act as they eat their way in front of a trail camera in Mozambique, Africa.

  • Film Guide for The Biology of Skin Color

    Film Guide for The Biology of Skin Color

    Film Guide

    The following classroom-ready resources complement The Biology of Skin Color. Featuring anthropologist Dr. Nina Jablonski, the film walks us through the evidence that differences in human skin color are adaptations to varying intensity of UV light. 

  • Spreadsheet Data Analysis Tutorials

    Spreadsheet Data Analysis Tutorials

    Short Course

    These tutorials are designed to show essential data analysis techniques using a spreadsheet program such as Excel. Follow the tutorials in sequence to learn the fundamentals of using a spreadsheet...

  • Spreadsheet Tutorial 3 -- Column Graphs, Error Bars, and Standard Error of the Mean

    Spreadsheet Tutorial 3 -- Column Graphs, Error Bars, and Standard Error of the Mean

    Activity

    Generate a column or bar graph with standard error bars.

  • Spreadsheet Tutorial 2 -- Autofill Data, Cell References, and Standard Deviation

    Spreadsheet Tutorial 2 -- Autofill Data, Cell References, and Standard Deviation

    Activity

    Generate a table with autofill, and use absolute cell reference to calculate variance and standard deviation.

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