Crash Course Biology - Season 1 Episode 22 Simple Animals: Sponges, Jellies, & Octopuses
1.50/10 by 2 users
Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex molluscs, octopuses and squid. We differentiate them by the number of tissue layers they have, and by the complexity of those layers.
- Title: Crash Course Biology
- Year: 2024
- Genre: Documentary
- Country: United States of America
- Studio: YouTube
- Director:
- Cast: Samuel Ramsey
- Crew:
- Keyword: education, biology
- Runtime: 15 minutes
- IMDb: 1.50 / 10 by 2 users
- Popularity: 18.358
- First Air Date: Jan 30, 2012
- Last Air date: Apr 30, 2024
- Season: 2 Season
- Episode: 81 Episode
- Language: English
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