A video focusing on the evolutionary history of simple animals reveals some amazing facts. Did you know that some deep-water sponges can live to be more than 200 years old? The narrator of the film explains what simple animals means, analyzes their tissue complexity, or lack thereof, and looks at the structures of the simplest to the most complex simple animals like sponges, cnidaria, platyhelminthes, mollusks, octopuses, and squid. 

Concepts

sponges, jellyfish, octopuses

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Additional Tags

science

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Instructional Ideas

• Have pairs research one of the mentioned organisms and present their findings to the class

Classroom Considerations

• Video assumes pupils understand the hierarchy of cells, tissues, organs, etc.
• Expects that scholars understand the classification of Phyla
• Video 22 in a series of 40

• This video is hosted on YouTube

Pros

• Other videos related to simple animals are embedded within this video
• Video contains a table of contents if teachers want to reshow certain segments

Cons

• None

Common Core

RST.9-10.1