Community ecology is the study of interactions between different species of living things, and lets ecologists examine the effects of predator-prey relationships, parasites, and mutually beneficial interactions. In this episode of Crash...

Seemingly distant ecosystems, even half a world apart, are connected in surprising ways. In this special limited series, Emily Graslie and Trace Dominguez join me as we explore the universal rules of life that tie together Earth’s living...

Humans are pretty good at destroying things. Like habitats, animal populations... you catch my drift. But, there have been a few species that humans have helped bring back from the brink of extinction.

Did you ever wonder how some squirrels find food in the cold winter? Mister Brown and Squeaks learn all about it this week as they discover a squirrel midden on their hike!

Throughout humankind's history, we've driven species after species extinct: the passenger pigeon, the Eastern cougar, the dodo ... But now, says Stewart Brand, we have the technology (and the biology) to bring back species that humanity...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on stability and change. Two examples are included in the video and two additional examples are included in the linked thinking slides. ...

Unlike their friendly, flower-pollinating cousin, the bee, wasps are best known for stinging people, ruining picnics, and generally being jerks... so should we just totally get rid of them?

Paul Andersen explains the importance of biodiversity. He starts by describing how biodiversity can be species, genetic or ecosystem diversity. He explains the importance of keystone species in an environment and gives two examples;...

What do gray wolves, elephants, and parrotfish have in common? They're all keystone species, which means they have an especially large impact on their habitat. SciShow explores how these animals keep their ecosystems running.

In this video Paul Andersen explains how ecosystems function. He begins with a description of how life on the planet is ordered from large to small in biomes, ecosystems, communities, population, and individuals. He describes the major...

Hidden beneath the surface of our coastal seas are towering forests - of kelp. These underwater ecosystems are as crucial to our environment as their land-based counterparts. We explore them alongside conservationists working to restore...

Herbivores are crucial in ecosystems, acting as a foundation in food chains. They manage vegetation growth, fostering plant diversity and creating habitats for other organisms. Their migration to water sources supports ecological...

The safari environment features diverse ecosystems, including grasslands and woodlands, shaped by wet and dry seasons. The wet season brings vegetation that attracts herbivores, while predator-prey relationships maintain ecological...

The gopher tortoise, which is built for being on land, is considered a "keystone species."

See how big she grew and learn why beavers are a "keystone species."

The gopher tortoise, which is built for being on land, is considered a "keystone species."

The gopher tortoise, which is built for being on land, is considered a "keystone species."

The gopher tortoise, which is built for being on land, is considered a "keystone species."

See how big she grew and learn why beavers are a "keystone species."

The vital role of sea otters in maintaining a food web.
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Learning Points
Omnivores
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at both plants and other...

Discover the vital role of sea turtles in marine ecosystems, where they act as keystone species influencing their environment profoundly. This video shows how their dietary habits benefit other marine life and ocean health,...

Discover the vital role of sea turtles in marine ecosystems, where they act as keystone species influencing their environment profoundly. This video shows how their dietary habits benefit other marine life and ocean health,...

JP Rothbone plans to dump plastic bags into the ocean, thinking sea turtles will consume them. However, the vigilant Boneheads intercept to thwart his plan, protecting the turtles. While Bonehead daydreams of heroism, T-Bone and...

"Hey No More Ocean Plastic" is an upbeat song that reinforces the importance of taking care of our environment by reducing plastic waste. Through relatable lyrics and a catchy tune, the song encourages kids to be mindful of their...