Beavers have done more to shape North American landscapes than any animal beside humans. We don't notice them much today because there aren't many left, but before colonization, North America was home to hundreds of millions of these...

Last time we put a Polar Bear in the desert and we still feel bad about that, but there's a lot more going on in ecosystems than just temperature. In fact, there are so many elements in ecosystems, that if just one leaves or gets out of...

Hank tells us the story of bunny and planet Wonderful, and the impacts of exotic invasive species on ecosystems while introducing us to a couple interesting individuals.

Hank talks about the last major way humans are impacting the environment in this penultimate episode of Crash Course Ecology. Pollution takes many forms - from the simplest piece of litter to the more complex endocrine distruptors - and...

What happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in...

In this video Paul Andersen 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...

Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first...

How does climate change? And what happens to environments and ecosystems when it does? In this episode of Crash Course Kids, Sabrina shows us the effects that climate change can have and how one small change in an ecosystem can throw...

Paul Andersen explains how ecosystems interact with biotic and abiotic factors. He explains and gives examples of food chains and food webs. He shows how limiting factors eventually leads to logistic growth. Real data from Yellowstone...

New ReviewThis video describes some of the ways that living and nonliving things in ecosystems interact. Beautiful, colorful videos help illustrate these interactions in ecosystems such as deserts, grasslands, and wetlands. Specific emphasis is...

New ReviewA video entitled "Ecological Pyramid Models" which uses the energy, numbers, and biomass pyramid models to illustrate how energy moves through ecosystems.

This video is answering the question of what is marine snow.

This video is answering the question of what creatures live in deep sea ecosystems.

This video is answering the question of what are hydrothermal vents.

This video is answering the question of how do deep sea ecosystem help our planet.

Cardano is an open-source and decentralized blockchain project created to facilitate peer-to-peer transactions. It has a layered architecture that facilitates smart contracts, enabling a platform that is both adaptive and scalable...

This video defines ecology and ecosystems.

This video outlines types of fungi, their structure, and how they are part of an ecosystem.

This video explain how energy is passed throughout an exosystem and the levels of organisms.

A video titled "Categorizing Hazards" discusses the difference between rapid and slow onset hazards.

This Science 6 instructional video discusses the terrestrial biomes.

This Science 6 instructional video discusses organisms living space and where they fit in within the ecosystem.

This Science 6 instructional video discusses the different aquatic biomes.

Science Kids Koalas - Anatomy, Habitat and “Crikey” Fun Facts

This video provides an engaging and informative overview of the unique and fascinating world of Australian koalas. From their habitat in eucalyptus trees to the different...