Incredible Shells
David Attenborough investigates two shells that have proved to be winners in evolution: the bird's shell and the hard shell of the tortoise. The ostrich egg is so strong it's possible for a person to stand on it without it breaking. How does the chick break out of this fortress? The evolut...
| Other Authors: | Infobase,, BBC (Firm) |
|---|---|
| Format: | Video |
| Language: | English |
| Published: |
[Place of publication not identified] :
BBC,
[2016]
Distributed by Infobase, |
| Physical Description: |
1 online resource (1 video file (22 min., 21 sec)) : sound, color. |
| Series: |
Attenborough's Natural Curiosities, Series 4.
|
| Subjects: |
| Summary: |
David Attenborough investigates two shells that have proved to be winners in evolution: the bird's shell and the hard shell of the tortoise. The ostrich egg is so strong it's possible for a person to stand on it without it breaking. How does the chick break out of this fortress? The evolution of the tortoise shell was for a long time a mystery, and this bony box offers a lot more than just protection. |
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| Item Description: |
Originally released by BBC, 2016. Streaming video file encoded with permission for digital streaming by Infobase on December 11, 2017. Tortoises and Turtles (10:31); Bird Eggs (9:28); Credits: Incredible Shells (0:33); Access requires authentication through Films on Demand. David Attenborough investigates two shells that have proved to be winners in evolution: the bird's shell and the hard shell of the tortoise. The ostrich egg is so strong it's possible for a person to stand on it without it breaking. How does the chick break out of this fortress? The evolution of the tortoise shell was for a long time a mystery, and this bony box offers a lot more than just protection. 9 - 12, Academic/AP. Streaming video file. System requirements: FOD playback platform. Closed-captioned. |
| Physical Description: |
1 online resource (1 video file (22 min., 21 sec)) : sound, color. |
| Format: |
Streaming video file. System requirements: FOD playback platform. |
| Audience: |
9 - 12, Academic/AP. |
| Access: |
Access requires authentication through Films on Demand. |