Invasive species can remind us of a horror film! In this video, an algae, popularly used in home aquariums, gets out and takes over coastal ecosystems, destroying the native organisms. The bright side, however, is an example where the...

When addressing animal adaptations with your fourth graders, they can construct a model of the compound eye of a fly. The activity helps them visualize what is too small to see, or rather something that they wouldn't want to handle! 

In a fun and interactive two-day lesson, learners sort anole lizard pictures by appearance. Next, they watch a video about the anoles and re-sort based on the information in the video. In addition to physical characteristics, budding...

The conversion of sound into light is a fascinating phenomenon that is a side effect of pistol and mantis shrimp stunning their prey. It is known as sonoluminescence, and it is thoroughly delineated in this fascinating little video. Add...

Read with your human biology buffs about habituation, the diminishing physiological response to a repeated stimulus. Then send them home to carry out this experiment in determining where the socks on their feet end! To wrap up the...

We don't normally think of alligators as sensitive, but in their own unique way, they are far more sensitive than humans. Through a two-minute video, explore the unique adaptation that allows alligators to sense their prey and to...

Can an organism with no eyes still see? As it turns out for the purple sea urchin, the answer is yes. In a short video, scientists explain why they believe that some sea urchins can use their spikes to visually sense the environment. 

The award for the most effective adaptation goes to the mimic octopus, a newly described species. The octopus can change its color, shape, and behavior to mimic flounder, lion fish, sea snakes, and more. 

How did the stickleback fish, which was once ocean bound, evolve to be able to persist in freshwater lakes? Hear from the scientists who identified the genes and related switches that allowed these survivors to adapt. In addition to the...

Isn't it strange that Earth's largest animal lives on one of its tiniest? Using Sesame-Street-style puppetry, this video explains how this phenomenon happens. Viewers learn that a single mouthful of krill taken in by a whale has the...

Did you know that poison and venom are not the same? Both are toxic, but poison must be inhaled, ingested, or absorbed, while venom must be injected into a wound. The narrator explains that some toxic compounds may be used for good, as...

In the deserts of Arizona and New Mexico, some tiny creatures show just how quickly natural selection can turn a mutation into an advantageous adaptation. Watch a video about rock pocket mice, who show that one small change can make all...

If you can't put your finger on it, you can at least learn from this video about the channels that form our our water-soaked fingertips. What is their purpose? This little clip is an amusing and educational addition to a lesson on...

Cheer up! Here is a fascinating featurette about why people cry. Hank explains different types of tears, what causes them, their purposes, and even their particular chemical components. This would make a nice addition to your human body...

Designed to accompany the 13-minute video The Making of the Fittest: The Birth and Death of Genes, this handout serves as both a viewing guide during the video and an analysis of how the adaptations of the icefish might help treat some...

What adaptations exist in order for icefish to survive the subfreezing temperatures of the Antarctic Ocean? Middle and high schoolers can find out through watching a related 13-minute video and performing a simple investigation to...

Adaptations must be made as environments change. This fabulous presentation features Icelandic icefish, a transparent, scaleless specimen that even has colorless blood. Genetics and adaptations concepts are explored as scientists study...

Illuminate the darkest corners of your marine biology or life science class with this feature about bioluminescence. Viewers see that luciferase and luciferin combine in a cool, light-producing reaction. This adaptation helps glowing...

Physical and behavioral adaptations are discussed by two teen girls as monarch butterflies flutter by. They also describe the process of natural selection. With colorful animation and relatable teen language, learners are sure to adapt...

Part two of this entertaining series looks at Darwin's visit to the Galapagos, his return home, and his determination to support his theories with evidence. What fun!

A wonderfully humorous and irreverent take on the early life of Charles Darwin tracing his struggles at school to his arrival at the Galapagos. Part one of the three-part �Greatest Scientists� series narrated by Dr. Allan Chapman.

It's Mr. Anderson, and he's ready to explain natural selection! Be excited, because he has the ability to make scientific biology and genetic functions in terms of natural selection make sense. With great examples and a clear and gentle...

Take a look at the coldest, windiest, and driest place on earth: the arctic! Very few species exist here, and those that do have undergone several adaptations to ensure their survival. Learn about some of these unique animals and their...

Did you know that 50% of the world's species are found in the rainforest, yet rain forests cover just 2% of the earth's surface? Introduce your class to the enchanting world of the rain forest by using this informative, image-rich video....