Streaming

BioMedia Associates (X) - Animals (X) - Streaming (X)

The Biology of Chordates (2001)

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The Phylum Chordata includes tunicates, sea lancelets, hagfish, and all familiar vertebrate animals. This program explores how these seemingly diverse animals evolved and how the group is unified by four characteristic structures: a hollow dorsal nerve chord, a supportive notochord, gill slits, and a post-anal tail.

Grade Level: 
Middle
High
Length: 
00:21
The Biology of Chordates

The Biology of Sponges (2003)

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Imagine an animal with no mouth, no digestive system, no excretory or circulatory organs, no brain nor nervous system, and no movement as an adult. In spite of their simple nature, sponges are actually one of the most fascinating animal phyla, when viewed in developmental, ecological, and evolutionary terms.

Grade Level: 
Middle
High
Length: 
00:19
The Biology of Sponges

The Biology of Molluscs (2006)

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Phylum Mollusca is the second most diverse phylum of animals, with over 100,000 know species. First examined are the basic characteristics of the phylum – a soft body, muscular foot, mantle cavity with gill, and hard calcified shell.

Grade Level: 
Middle
High
Length: 
00:17
The Biology of Molluscs