Browse by Subject: Life Sciences

The films shows not only fish, but many insects, salamanders, and a variety of other living things can be raised in an aquarium. We can set up an...
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Full series includes: - Estuaries - Freshwater Wetlands - Freshwater - Marine
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Life in estuaries — the ecosystem formed when the fresh water of a river meets the salt water of the sea — is governed by the tides. Discover the...
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The characteristics of each of the three major freshwater ecosystems — a swift stream, a slow river and a lake or pond — are determined, in part, by...
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Explore freshwater wetlands — bogs, marshes and swamps — and the wide variety of life forms they support. Then examine the seasonal and climatic...
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The oceans and seas on our maps are actually united into one enormous, interconnected ecosystem. However, each type of marine organism has certain...
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In this film, two archaeologists excavate a site. The artifacts they find are clues to the lives of ancient people of the Southwest....
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Animals that have a hard body covering and jointed legs are called arthropods. There are more than a million different types of arthropods, making...
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When children play in their backyards, they get a first glimpse of the wonders of nature through encounters with all sorts of small creatures....
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Many kinds of plants and animals live together in nature. Every living thing is suited to live in a special place and in a special way. It is...
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The Bavarian Forest is in the southeastern part of the German Alps near the Czech Republic It is dedicated to the restoration and preservation of the...
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Exciting, close-up footage of Alaskan grizzly bears captures their yearly visit to a nearby river to feed on salmon as the fish migrate up the falls...
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