This video introduces the viewer to biomes, ecosystems and habitats. With a clear explanation of what makes them different and how they are connected. Biotic and Abiotic factors are explained and discussed.

This live-action video program is about the word biotic. The program is designed to reinforce and support a student's comprehension and retention of the word biotic through use of video footage, photographs, diagrams and colorful,...

This video is a lecture presentation on biodiversity. The video explains the importance of maintaining high levels of biodiversity and how human activities are reducing it. The presenter uses examples to illustrate how changes in one...

How do we find out the position that an organism occupies in a food chain? The different feeding positions in a food chain or web are called trophic levels. All food chains and webs have at least two trophic levels, starting at level one...

In this live-action program viewers will learn that biodiversity refers to the variety and variability of all living organisms and the different ecological complexes in which they exist. Students will come to understand that the word...

What mechanical process was created to help the natural process in the everglades? What is needed to learn in order to help maintain ecosystems? The Everglades Ecosystem, Part 4

Explain the concept of different ecosystem structures and functions and the correlations between them.

It presents arguments for conservation of biodiversity including narrowly utilitarian, broadly utilitarian and ethical reasons. It also describes in-situ and ex-situ conservations methods.

It explains the unidirectional flow of energy through different trophic levels; energy flow maintained by laws of thermodynamics, food web, food chain and the ten percent law.

This video explores five fun facts about Rainforests.

This video explains what an ecosystem is and how living and nonliving components interact with each other. It also covers the different types of terrestrial and aquatic ecosystems and their classifications. The next session will discuss...

Real World Science : The Science of Climate Change This program begins by explaining how scientists have learned that Earth’s climate has changed many times over billions of years and that Earth’s climate is always changing. Students...

This live-action video program is about the term food chain. The program is designed to reinforce and support a student's comprehension and retention of the term food chain through use of video footage, photographs, diagrams and...

This video explores the concepts of matter and energy in organisms and ecosystems. It explains how food provides energy for organisms, how plants use photosynthesis to convert sunlight into glucose, and how consumers obtain energy by...

Ecosystems and biomes takes students on a journey around the globe to tropical rain forests, deserts and the ocean. Live footage and colorful graphics teach students about regions and climates, and explain the impact environments and...

Learn all about ecological pyramids and how to show quantitative data about relationships between species.

Senior Wildlife Biologist Doug Smith looks to the future and discusses the relationship between wolves and people.

Yellowstone is seasonal. <a href="https://www.nps.gov/yell/planyourvisit/index.htm">Plan Your Visit</a>//www.nps.gov/yell/planyourvisit/index.htm">Plan Your Visit by learning about current conditions, seasons, road conditions, services, activities, and more.

In 2010, the Deepwater Horizon oil spill in the Gulf of Mexico became the largest in United States history. Killing 11 people, it injured people, ecosystems, and economies. This film explores the timeline of the spill, the cleanup, along...

A look at the declining population of the Bighorn in British Columbia, and a meditation on what we can learn from animals in nature. Filmed over a two year period in the rare grasslands of the Chilcotin in British Columbia.

Here's an exciting way to learn important facts and get ready for a life science test! In this episode we'll be looking at ecosystems.

Water on Earth focuses on water as most kids would think about it. We start with water in obvious locations such as oceans, lakes, and rivers. We quickly learn that water can change phase to remain a solid in glaciers. Many kids may be...

An ecosystem can be defined as a large, highly interconnected area of the planet that is composed of several different biotic and abiotic components. A good example of an ecosystem would be an entire forest or mountain range. A natural...

This video explains the different levels of organization in nature, starting with individual organisms and moving up to populations, communities, and ecosystems. Ecosystems part 4/8