Topic: ecosystem

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Earth’s Hydrosphere and Geosphere + Weathering and Erosion

How do the geosphere and hydrosphere interact and work together? How do water and dirt work together to support life on Earth? In this episode of Crash Course Kids, Sabrina Cruz explains how rain, waterfalls, rivers, ...

What’s the dirtiest place in your home?

Think of the dust, the hidden ants and spiders, or the potential molds, fungi, and bacteria that can be in any household. Is the dirtiest place in your home under your bed? On doorknobs? In the dishwashing sponge? In ...

How can weaver ants protect an entire orchard?

In this mango orchard in Northern Thailand, weaver ants are nurtured so they can thrive and protect the harvest. The ants hunt the pests that would eat the mangoes, eliminating any need to use harmful chemical pestici...

Nature’s Vanishing Trick

Teenage Action For Conservation youth ambassador Lily Macfarlane created this video to highlight extinction and loss of biodiversity in our local ecosystems: Nature’s Vanishing Trick. British writer Robert Macfarlane,...

Soil 101

What is soil made of? Why is it important? And how can we nurture soil for the benefit of humans and our ecosystems? Learn about soil with the help of Soil 101, a 2015 animation from the Food and Agriculture Organizat...

Studying the oak, caterpillar, great tit food chain

Winter moth caterpillars are the favorite food of great tit birds in England's Wytham Woods. Because of this, great tit parents time their breeding so that there are lots of caterpillars to feed their hungry hatchling...

The revealing world of dinosaur poop (coprolites)

In Choteau, Montana, there's a fossil quarry that's famous for an epic discovery: the very first baby dinosaurs found in a nest. This fossilized evidence was pivotal in our understanding of how some dinosaurs raised t...

The expertise of killer whale grandmothers

Pods of killer whales [also known as orcas] inhabit the waters of every major ocean on Earth. Each family is able to survive thanks mainly to one member, its most knowledgeable hunter: the grandmother. These matriarch...

Saving the Island Fox

How did a team of conservationists, veterinarians, and volunteers help a rare species of fox come back from the brink of extinction? And why did this little fox almost go extinct in the first place? This is the st...

Fungi Matter, an animation for Kew

Fungi matter. They connect all life on Earth. They play a part in fighting cancer, infections, and heart disease. They provide plants with nutrients to survive. They can even break down plastics and generate biofuels....

Florida’s mangrove swamp ecosystem illustrated

Go on an illustrated adventure through a Florida mangrove swamp. New York Times best-selling author Rachel Ignotofsky has teamed up with animator Leo Thom and The Mangrove Action Project for this quick animated introd...

The spectacular birth of baby slugs

How many different stories can one patch of land yield? The BBC's The Lake District: A Restless Year attempts to find out in their portrait of this charming area in northwest England... including its baby slugs. I...

Planet-changing ‘invisible’ microbes on the deep sea floor

"We're making progress at a rate that's outpacing the textbooks. We can't write textbooks fast enough to cover all of the really fundamental discoveries that are happening in the field of microbial ecology right now.....

The benefits of sea cucumber poop

There are about 1,250 different species of sea cucumber across the world's oceans. This is Thelenota anax. And yes, it's doing what you think it's doing. Sea cucumber poop is surprisingly important for the ecosystem. ...

Which life form really dominates Earth?

In 2018, there are around 7.6 billion people on the planet, but weigh us all together on a giant scale and we only make up 1/10,000 of Earth’s biomass. What is biomass? And what life forms dominate the rest of the pla...

The Ocean Cleanup technology and challenges explained

The Great Pacific garbage patch in the northern Pacific ocean holds an estimated 1.8 trillion hard-to-see pieces of plastic that float around on or just below the water's surface. They're kept swirling in an area that...

Fabulous Food Chains and The Dirt on Decomposers

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...

India’s Malabar giant squirrel (Ratufa indica)

Covered in dark browns, creams, oranges, maroons, blacks, and rich rusts, India's Malabar giant squirrel (Ratufa indica) is more colorful than the gray squirrels of North America. And at 97 centimeters (38 inches) fro...

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