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Interactive
Howard Hughes Medical Institute

Vertebrate Circulatorium

For Students 9th - 12th Standards
When you get to the heart of the matter, you learn a lot about an organism by studying its circulatory system! A perfect resource for a zoology or anatomy class, the simulation gives users a peek inside a variety of vertebrates to...
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Interactive
Howard Hughes Medical Institute

Deep History of Life on Earth

For Students 9th - 12th Standards
Take it all the way back! Young scientists discover the changes that took place from the time Earth became solid to present day through an interesting interactive. The resource guides users through key events that have shaped our world...
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Interactive
Howard Hughes Medical Institute

Visualizing Gene-Expression Patterns

For Students 9th - 12th Standards
How do genetics gurus know so much about gene expression? See traits materialize before your very eyes using a presentation with embedded simulations. Science scholars develop an understanding of the techniques used to follow the work of...
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Interactive
Howard Hughes Medical Institute

Great Transitions Interactive

For Students 9th - 12th Standards
How did life evolve from fish to four-limbed animals? Work through an interactive exploring transition animals and comparing their features to understand the transition. Making it even better, the interactive allows scholars to isolate...
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Interactive
Howard Hughes Medical Institute

Geological History of Oxygen

For Students 9th - 12th Standards
Earth didn't always have oxygen, so what caused the change that allows humans to live here? Learn about the change in O2 levels throughout geological history through an interactive graph. Each section offers greater detail on the changes...
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Interactive
Howard Hughes Medical Institute

Regulation of the Lactase Gene

For Students 9th - 12th Standards
All human infants are lactose tolerant, yet some adults are lactose intolerant—why is that? Individuals discover the process of gene mutation through a study of the lactase gene (LCT). They understand the geographic connections,...
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Interactive
Howard Hughes Medical Institute

Creating Phylogenetic Trees from DNA Sequences

For Students 9th - 12th Standards
How closely are animals related? Check their phylogenetic trees! The use of DNA sequencing altered our understanding of these relationships. Individuals explore and gain a better understanding of how scientists sort, align, and determine...
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PPT
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Biology Junction

Characteristics of Life

For Students 9th - 12th Standards
Life exists in many different forms from tiny nanobes to the Humongous Fungus, the largest form of life. Scholars learn the definition of life and the shared characteristics of these greatly varied organisms. They demonstrate knowledge...
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Activity
Howard Hughes Medical Institute

Look Who's Coming for Dinner: Selection by Predation

For Teachers 9th - 12th Standards
What happens when a new predator comes to town? Learners analyze an experiment that studies the effect of predation on selection. They use real data to draw conclusions about the impact a new predator has on a prey species.
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Activity
Howard Hughes Medical Institute

Biodiversity and Evolutionary Trees

For Teachers 9th - 12th
Compare what shells look like on the outside with what makes that happen on the inside. Scholars begin by sorting an various seashells by their physical characteristics into phylogenetic trees. They then conduct a DNA comparison of...
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PPT
Biology Junction

Amphibians

For Students 9th - 12th Standards
Biologists know of more than 2,300 living species of amphibians. Learn more about the four orders of amphibians with an interesting presentation. It explains the similarities and differences between the thousands of species of...
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AP Test Prep
College Board

2018 AP® Biology Free-Response Questions

For Students 10th - 12th Standards
The average AP Biology score dropped in 2018 with the addition of more data tables and graphs. Offer additional practice free-response questions by using the questions from the 2018 AP exam covering phylogenetic trees, cell structure and...
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Interactive
Cold Spring Harbor Laboratory

Mendelian Laws Apply to Human Beings

For Students 9th - 12th Standards
Why are so many inherited diseases more prevalent in populations of specified races? Scholars learn about pedigrees and genetics using a reading, an animation, primary sourced letters, a short video, a biography, a guided practice...
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Activity
Howard Hughes Medical Institute

Using DNA to Explore Lizard Phylogeny

For Students 7th - 12th
On the Caribbean islands, lizards expanded into different niches instead of competing for resources. Scholars discuss and learn from experts in a video how scientists prove the theory. They build phylogenetic trees based on appearances...
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Activity
Howard Hughes Medical Institute

Beaks as Tools: Selective Advantage in Changing Environments

For Students 9th - Higher Ed Standards
How does nature select some adaptations over others? Scholars experiment picking up seeds with two different types of tools simulating beaks. After practicing, they experience a drought where one type of seed suddenly isn't available....
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Activity
Howard Hughes Medical Institute

Testing a Hypothesis

For Students 9th - 12th Standards
Are sickle cell disease and malaria related somehow? Scholars learn about both illnesses and the hypotheses that they are related. They discuss, view a video, and answer questions to demonstrate understanding. The resource includes an...
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Interactive
Cold Spring Harbor Laboratory

RNA Was the First Genetic Molecule

For Students 9th - 12th Standards
Can organic molecules come from a pre-biotic environment? Stanley Lloyd Miller proved it is possible when exactly the right conditions exist. Learn about his experiment and the other experiments later building off of it that changed the...
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Activity
Howard Hughes Medical Institute

How Do Fibers Form?

For Teachers 9th - 12th Standards
The proteins inside a cell determine the shape of the cell. While most red blood cells have a circular shape, those with sickle cell take the shape of a sickle. This change in shape causes multiple issues in the system. Scholars solve...
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Activity
Howard Hughes Medical Institute

Icefish Blood Adaptations: Viscosity

For Teachers 9th - 12th Standards
Most fish freeze to death when the water is too cold, yet some fish live in the Southern Ocean where the water is often below freezing. Scholars use two models representing the blood from most fish versus the blood from Antarctic fish....
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Activity
Howard Hughes Medical Institute

Biochemistry and Cell Signaling Pathway of the Mc1r Gene

For Teachers 9th - 12th Standards
How do mice have so much fur color variation over generations? Scholars illustrate protein structures based on amino acid sequences. Then, they analyze the signaling pathway in different-colored mice populations. This allows them to...
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Activity
Howard Hughes Medical Institute

Color Variation Over Time in Rock Pocket Mouse Populations

For Teachers 9th - 12th Standards
While many mutations are neutral, those that appear advantageous increase in frequency in a population. Scholars use illustrations to make predictions about populations of mice. They follow it up with a video to confirm or refute their...
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Activity
Howard Hughes Medical Institute

Molecular Genetics of Color Mutations in Rock Pocket Mice

For Teachers 9th - 12th Standards
Can you identify mutations just by viewing DNA sequences? Scholars apply prior knowledge of DNA sequences to do just that in an engaging activity. They transcribe and translate genes, thus identifying the locations of mutations. Then,...
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Activity
Discovery Education

The Time of Our Life

For Teachers 6th - 8th
Mammals are some of the newest organisms to appear on Earth. Young scholars complete an activity that results in a timeline showing the appearance of different types of living organisms. Provided with a list that spans from prokaryotes...
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Activity
Howard Hughes Medical Institute

Pedigrees and the Inheritance of Lactose Intolerance

For Teachers 9th - 12th Standards
What, exactly, causes lactose intolerance? Scholars view a video describing a Finnish study that determined why some people are tolerant while others are intolerant. They then use the data from the study to reenact the experiment and...

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