New ReviewIn the ecological game of who eats who, one small change can have a big impact! Individuals create food chains in an array of ecosystems, then determine what happens to organisms in the chain when one organism changes its feeding...

New ReviewIt's a jungle out there! Young biologists journey to Darien, Panama to examine the intricate relationships between the organisms that inhabit the jungle. Groups begin by demonstrating an understanding of energy flow in ecosystems, then...

New ReviewWhat are ecological relationships? Well, it can be complicated! Paint a clear picture for pupils with a fun and informative video. It explains and illustrates each relationship thoroughly, from pesky parasites to snuggly symbiotes.

New ReviewThe Burmese python is on the loose ... and he's hungry! Illustrate the differences between causative and correlative relationships through an inquiry lesson. Pupils examine several sources of information to determine if there is a...

Rather than hunting for food, the orchid mantis entices the prey to come to it. A cool video discusses this type of mimicry as part of a larger biology playlist. The orchid mantis appears like any typical orchid to us, but it stands out...

When railroad workers arrived in Kenya in 1898, they were greeted by some very hungry lions. Introduce young ecologists to the man-eating lions of Tsavo with a video from an extensive playlist exploring mammals. Topics include unusual...

Here's a video your class can really sink their teeth into! Dispel myths and build knowledge about great white sharks using a captivating video from Veritasium. The narrator takes you out to sea to view the animals in their natural...

Natural selection—good things come to those who mate. The video introduces the idea of natural selection. Then it details three types: directional, stabilizing, and disruptive. It includes both graphs and examples for each type.

Like tiny Supermen of the sea, mantis shrimp catch their prey using both bullet-like speed and enhanced vision. How do they do it? Young marine biologists discover the amazing adaptations found in the mantis shrimp and how they use them...

A cat's tongue makes a purr-fect grooming tool. But why are cats such obsessive groomers? Discover the many advantages a clean, silky coat gives these predators in a short video. With reasons that range from skin health to remaining...

Water striders ... amazing aquatic acrobats or ferocious predators? Introduce life science scholars to these tough little insects using an engaging video. The narrator explains the strider's ability to walk on water and how it uses this...

Humans are predisposed to fear snakes. Through evolution, many animals developed a visceral reaction to snakes as a defense mechanism. An engaging video lesson describes the evidence and how scientists came to this conclusion.

Can human activity influence the colors of moths? The simulation explains how pollution changed the color of tree bark, which led to the survival of a different variation of moths. It also discusses the shift back as air quality improves.

Examine the benefits of chemical defense mechanisms. Organisms in oceans use chemicals to ward off predators. Duplicate this adaptation using a hands-on experiment in which you ward off your predators (your pupils) with some bad-tasting...

Examine predator-prey marine relationships through an interactive lesson design. Learners begin by studying a specific shark species and then analyze real-time shark-tracking data. They also study threats to shark populations and...

Wolves eat better when the bunny population increases, but how long does that last? A series of 12 biology lessons uses the sixth installment to explore the predator-prey relationship between bunny and wolf populations. Young scientists...

The fox population chases the rabbit population. Groups model the populations of foxes and rabbits with two trigonometric functions. Individuals graph both trigonometric models on the same graph, and then teams determine an explanation...

Model periodic populations. Here, in the context of foxes and rabbits, pupils look at graphs of the populations of these animals in a national park over a span of 24 months. Groups analyze the graphs and determine trigonometric functions...

Though the walrus spends roughly one third of its time on land, it eats organisms that live on the bottom of the ocean. The first in a series of five, the lesson uses a variety of plant and animal cards to have scholars build an arctic...

If you could have any superpower, what would it be? The animal kingdom has more superpowers than all of the comic book heros combined. The video quickly goes through many of these animals and their powers including the ability to shoot a...

Sharks are amazing! They can heat their own blood, they can sense even the faintest of electrical currents, and their sense of smell is is acute. Rather than wanting to eradicate this species, class members can educate others as a result...

Death becomes fungi because many are decomposers, breaking down dead organisms and returning nutrients to the soil. Explore the fascinating world of fungi, how they feed, the different types, and how they reproduce in a video that also...

It's not irrelephant to know which animals use warning coloration to avoid predators. The video explains how brightly colored animals are able to survive in the natural world. It also details aposematic coloration for both sexual...

Galapagos Penguins are the only penguins on earth that live north of the equator (in the wild). In this last instructional activity a discussion on how the Galapagos islands developed their populations and diversity sparks the...