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...
Crash Course Kids
Climate Change
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...
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...
Visual Learning Systems
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...
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...
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...
Curated Video
Pyramid of numbers
A diagram used to represent the number of individual organisms occupying each feeding level of a food chain. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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
Autotroph
An organism that can make its own food, being able to produce complex organic compounds, such as proteins and carbohydrates. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Photosynthesis: Converting Sunlight into Chemical Energy
The process that plants use to convert energy from the Sun into chemical energy. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Food Chain - Energy Flow in Ecosystems
A food chain simply states which organisms consume each other, and shows how energy moves through living things in an ecosystem. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Factpack: Super Predators
What is an apex predator and which one is being described? Biology - Adaptation And Evolution - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the start of...
Curated Video
Factpack: Mercury in Food Chains
Discover how mercury travels through food chains, and how its concentration multiplies along the way. Biology - Ecosystems - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to...
Curated Video
Bioaccumulation in Food Chains
Investigating why peregrine falcon populations are threatened by pollution from industry thousands of kilometres away. Biology - Ecosystems - Learning Points. The peregrine falcon lives remotely but is affected by man-made chemicals....
Curated Video
Oceanic Food Chain
A journey through a marine food chain, from tiny plankton to the ocean's giants. Biology - Ecosystems - Learning Points. Phytoplankton are the basis of the oceanic food chain. In the Pacific Ocean, millions of herring feed on these...
Curated Video
Making a Star on Earth
Large-scale nuclear fusion is one of the ultimate goals of science which has yet to be achieved. How does nuclear fusion work and is a future likely in which we can reproduce the power of a star on Earth? Earth Science - Earth's...
Curated Video
What is a Food Chain?
How energy is passed through living things can be described as a food chain. Journey through a food chain, from primary producers at the bottom to tertiary consumers at the top. Biology - Ecosystems - Learning Points. A 'food chain'...
Curated Video
Photosynthesis: How Plants Convert Sunlight into Energy
Journey into the chloroplast, where photosynthesis takes place, to learn how plants convert sunlight into usable chemical energy - one of the most vital processes on Earth. Biology - Plants - Learning Points. Leaves are small...
Curated Video
Carbon Capture: Phytoplankton
Phytoplankon - microscopic marine plants - could help prevent global warming. How would they do this? And is it right for man to interfere with nature in a bid to save the planet? Human Geography - A Changing World - Learning Points....
Curated Video
Biotic Factors in Ecosystems
What happens if you change the living factors of an ecosystem? Discover the effect of removing predators or introducing a new species into a habitat. Biology - Ecosystems - Learning Points. The smallest change can tip the balance of the...
Curated Video
Ecosystem
A living community of organisms along with their physical environment, functioning as a unit. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Food chains – Jigsaw
What is it? ... It's a lion! Life processes - Living things in their environments - Food chains A Twig Tidbit Film - Jigsaw. An image is slowly revealed as pieces of the jigsaw are removed. The children have to identify it.