Have you ever gone to the store and noticed the price of an item you always buy has suddenly increased? Scholars investigate the reason prices inflate in the market. An informative lesson looks into the Consumer Price Index to determine...

Surely, the biggest fish in the lake will benefit from a meal of big, tasty shrimp! Take biology scholars on a trip to Flathead Lake in the second of a five-part Invertebrates series. Scientists currently studying the lake take the...

Sharing is caring! How much does your class know about the laws that govern sharing on social media and other areas of the Internet? The video, part of an ongoing series about media literacy, examines copyright laws, intellectual...

An item that lasts forever becomes truly priceless. The video teaches about the political theories pondered by William Morris. Featuring primary sources, visual aids, and an interesting narrative, scholars are both entertained and...

What 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.

Learn more about food chains, the food web, and the concepts relating to them. It focuses on consumers, producers, decomposers, energy transfer, and energy loss across trophic levels.

People once recommended that you should wear a mask when spraying DDT onto the skin of the food you would later eat. The video explains biomagnification and the impact that giving toxins to producers has on the largest consumers. It uses...

How come we don't eat worms, but we eat fish that eat worms? A video features the food chain and explains why a food web is a better explanation for biodiversity. It includes explanations of producers, autotrophs, consumers,...

Is there life beyond Earth? Take a look through a virtual telescope in a video that provides possible scenarios in which life could exist on other planets.

Rhinozilla is Mia's bearded dragon and the focus of this lesson on energy flow in an ecosystem. She uses him to explain the energy pyramid, from producers through third level consumers, and she likens the food chain to a video game. Mia...

Tutorial enhances the learning process by providing a slideshow and captioned video that examines the concept of diminishing marginal utility. [2:11]

Explains how energy flows in ecosystems. Energy enters via producers through photosynthesis or chemosynthesis. Producers and consumers release the energy from food through cellular respiration. An explanation of gross primary...

This video from Jean Michel Cousteau: Ocean Adventures, describes the unique, interdependent characteristics of an underwater kelp forest ecosystem and explores the delicate balance of life between sea otters, urchins, and the kelp...

This lesson will discuss the interactions of and interdependence among living things. It is 4 of 4 in the series titled "Living Organisms and Their Environment."