Bozeman Science
LS2A - Interdependent Relationships in Ecosystems
In this video Paul Andersen explains the important relationships that exist in ecosystems. He starts by delineating between organisms and their environment. He explains how food webs can be used to show energy and matter flow in a...
SciShow
The Most Incredible Snowfall on Earth Occurs Deep Underwater
Deep in the ocean, fluffy bits of organic matter fall like snow. But this marine snow isn’t just pretty; it’s an essential part of our ocean food webs and our global climate!
Crash Course
Population & Food: Crash Course Geography
Today we’re going to talk about the link between population and food energy. As the world's population keeps growing, finding ways to provide enough food and water for everyone while supporting a sustainable environment can be tricky!...
Bozeman Science
Biotic and Abiotic Factors
Paul Andersen differentiates between biotic and abiotic factors. He explains how both abiotic and biotic factors can affect organisms at the level of the cell, the population and even the ecosystem. The complexities of biofilms,...
Crash Course
Ecosystem Ecology: Links in the Chain - Crash Course Ecology
Hank brings us to the next level of ecological study with ecosystem ecology, which looks at how energy, nutrients, and materials are getting shuffled around within an ecosystem (a collection of living and nonliving things interacting in...
Crash Course Kids
Food Webs
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...
Crash Course Kids
Home Sweet Habitat: Crash Course Kids
How would a Polar Bear do if you put it in the desert? Not well. But why? Why can't anything live anywhere? Well, this has to do with Habitats and how animals (including humans) are suited for living in one place over another. In this...
Bozeman Science
Ecosystem Ecology
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...
Bozeman Science
LS2B - Cycles of Matter and Energy Transfer
In this video Paul Andersen explains how matter moves from the environment into living organisms and back into the environment. Food webs are used to show how matter and energy move through organisms. Ecological pyramids show that matter...
Bozeman Science
Ecosystems
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...
Curated Video
Exploring the Safari Ecosystem: A Tapestry of Life
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...
Curated Video
Changes in small-scale ecosystems
Pupil outcome: I can understand how natural changes and human activities affect the balance of small-scale ecosystems. Key learning points: - Ecosystems are finely balanced and can be affected by changing one component. - College Lake is...
Curated Video
Forms of Energy
“Forms of Energy” explains how potential energy, kinetic energy, and heat energy change into other forms of energy.
Curated Video
I WONDER - What Is A Consumer On A Food Web?
This video is answering the question of what is a consumer on a food web.
Curated Video
I WONDER - Are Humans Part Of The Food Web?
This video is answering the question of are humans part of the food web.
Visual Learning Systems
Food Webs
In this video students will learn how living things and nonliving things interact in ecosystems. Specific attention is given to identifying producers, consumers and decomposers. Vivid, live-action video shows these relationships in...
Curated Video
I WONDER - What Is A Trophic Level?
This video is answering the question of what is a trophic level.
Visual Learning Systems
Ecosystems and Food Chains
In this video students will learn how living things and nonliving things interact in ecosystems. Specific attention is given to identifying producers, consumers and decomposers. Vivid, live-action video shows these relationships in...
Curated Video
I WONDER - What Are Different Types Of Decomposers?
This video is answering the question of what are different types of decomposers.
Visual Learning Systems
Summing Up
In this video students will learn how living things and nonliving things interact in ecosystems. Specific attention is given to identifying producers, consumers and decomposers. Vivid, live-action video shows these relationships in...
Visual Learning Systems
Quiz
In this video students will learn how living things and nonliving things interact in ecosystems. Specific attention is given to identifying producers, consumers and decomposers. Vivid, live-action video shows these relationships in...
Curated Video
Trophic level
The position an organism occupies within a food chain. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Consumer
Any organism that gets its energy by consuming other organisms. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Food webs – What happens next?
A cricket stumbles into the territory of a gladiator spider ... what happens next? Life processes - Living things in their environments - Food webs A Twig Tidbit Film - What happens next? A short section of film is played and the...