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.

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.

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 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

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

Bird Beak Gallery

This collection of images of 10 different birds illustrates the diversity of bird beaks.

Accessibility features: Long Description

Bird Food

There are almost as many types of bird beaks as there are types of food that birds like to eat. This collection of images shows a wide range of beaks and the types of foods handled by each.

Blood Vessels Help Tumors Grow

In this video segment, adapted from NOVA, Dr. Judah Folkman uses the scientific method to discover how cancer cells induce the formation of new blood vessels, which in turn nourish those cancer cells.

Accessibility features: Caption

Body Breakdowns

This interactive feature from the NOVA "Surviving Denali" Web site details the variety of ways the body can fail while climbing a high-altitude peak.

Body Waste

This video segment from IdahoPTV's D4K takes a look at the reasons why body waste keep you healthy and the parts of the body form the waste products, urine, pus, carbon dioxide, gas and feces.

Accessibility features: Caption, Transcript

Body Waste that Protects You

This video segment from IdahoPTV's D4K covers the body wastes that protect you: earwax, mucus, tears, sweat and vomit.

Accessibility features: Caption, Transcript