Preview - Aquatic Biomes

Aquatic Biomes

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Aquatic Biomes (19:00)

Item# 29770
©2002

Ranging from rivers and lakes, to wetlands and intertidal zones, to coral reefs and kelp forests, aquatic ecosystems are as diverse as the life-forms that inhabit them. This program introduces students to a variety of the world’s aquatic biomes. The characteristics of saltwater and freshwater environments are clearly described, as are the plants and animals that call these watery regions home. The importance of evolution and adaptation for aquatic species is emphasized. A viewable/printable instructor’s guide is available online. A Cambridge Educational Production. (19 minutes)

Segments in this Video - (5)

1. Aquatic Biomes (02:57)

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Aquatic biomes are an ecological community that is dominated by water. Variables that affect physical environments are light, nutrients, temperature, and moisture.

2. Freshwater Aquatic Biomes (03:33)

Ponds and lakes are divided into three zones: littoral, limnetic, and profundal. Streams and rivers are categorized by water flowing toward the mouth of the river.

3. Marine Aquatic Biomes (02:57)

Wetlands are fresh and salt water biomes where many species live. Other marine biomes are oceans, seas, coral reefs, and estuaries.

4. Ocean Zones (04:02)

The three zones of the ocean are: intertidal (littoral), pelagic, and benthic zones.

5. Coral Reefs, Estuaries, and Seas (04:15)

Coral reefs are composed of the skeletons of small animals. Estuaries are a body of water where salt and fresh water merge. A sea is a large body of water that is mostly land locked.