The Three Levels of Biodiversity

This interactive adapted from Kentucky's Natural Heritage: An Illustrated Guide to Biodiversity, introduces learners to the three levels of biodiversity: genetic, species, and ecosystem.

Select Natural Communities

In this interactive adapted from Kentucky's Natural Heritage: An Illustrated Guide to Biodiversity, students will learn about the four major natural communities and the types of organisms that live in each.

Think Garden: Photosynthesis

This video explains the process of photosynthesis through a fun poem with stop motion animation. Learn about what chloroplasts and chlorophyll do, and why sunlight, water, carbon dioxide, oxygen, glucose, and carbohydrates are important to the process.

Lentic Communities

In this interactive students learn about the three types of lentic communities and examples of species that are unique to each.

Think Garden: Plant Structure

This video examines plant structure by taking a closer look at the root and shoot systems. Learn about roots, stems, leaves, flowers, seeds, and fruit through engaging illustrations and animations.

Albino Redwoods: Ghosts of the Forest

Pale ghosts that hide amid their gigantic siblings, only a few dozen albino redwood trees are known to exist. In this video from QUEST produced by KQED, track down these elusive phantoms of the forest.

Albino Redwoods: Ghosts of the Forest Audio

Park rangers in the Santa Cruz Mountains are protecting a decades-old secret: albino redwood trees. In this audio report from QUEST produced by KQED, learn about these so-called "ghost trees."

All Systems Are Go

Test your knowledge of the digestive, respiratory, and other human body systems in this interactive game from Kinetic City. Race the clock to put Arnold's organs back into his body one system at a time.

Amazing Heart Facts

This feature from the NOVA "Cut to the Heart" Web site highlights facts about the heart -- including its size and placement -- and will help you to understand the importance of this wondrous organ in our bodies.

Accessibility features: Alt Text

Anglerfish

This video segment from NOVA: "Animal Imposters" shows the lightning-fast strike of the anglerfish.

Accessibility features: Audio Description, Caption

Animal and Plant Cell

Think you can tell a yam from a yak? Examine these still images of typical plant and animal cells from Biology by Kenneth R. Miller and Joseph Levine. What similarities and differences can you find?

Animal Cloning 101

Learn about clones and explore the methods scientists use to create clones in the lab in this interactive activity from the Dolan DNA Learning Center.

Animal Coverings

It takes a thick skin to withstand the hardships that life has to offer. This collection of images shows a variety of animals, each with a slightly different type of protective covering.

Animal Hearing

This video segment discusses the physical adaptations that give several nocturnal animals a heightened sense of hearing. Footage from NOVA: "Mystery of the Senses: Hearing."

Accessibility features: Audio Description, Caption

Animal Mouths

This collection of images of six different creatures, including insects and carnivorous vertebrates, illustrates the wide range of mouth types that exist within the animal kingdom.

Accessibility features: Long Description

Animal Mouth Structures

Students observe several animals' mouth structures and explore how these structures help the animal obtain, handle, and eat food.

Asthma: What Brought on the Epidemic?

In this video from QUEST produced by KQED, learn about research that is being done into the possible environmental and social culprits of childhood asthma that could one day lead to measures that prevent kids from developing the disease.

Bioengineering Body Parts

In this video segment adapted from NOVA scienceNOW, scientists discuss their attempts to grow human body parts in a jar.

Accessibility features: Caption

Biofuels: Beyond Ethanol

In this video from QUEST produced by KQED, find out what scientists are discovering in investigating the newest methods for converting what we grow into what makes us go.

Biome in a Baggie

This ZOOMSci video segment shows how to create self-contained environments and explore how plants grow under different conditions.

Accessibility features: Audio Description, Caption