Crash Course Biology - Season 1 Episode 22 Simple Animals: Sponges, Jellies, & Octopuses

Crash Course Biology
Available Formats Crash Course Biology Secure Scanned : 10/30/2024 Watch HD Download HD
Crash Course Biology

Crash Course Biology - Season 1 Episode 22 Simple Animals: Sponges, Jellies, & Octopuses

Crash Course Biology - Season 1 Episode 22 Simple Animals: Sponges, Jellies, & Octopuses

Overview: 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.

Watch Trailer First Air Date: Jan 30, 2012 Last Air date: Apr 30, 2024 Season: 2 Season Episode: 81 Episode Runtime: 15 minutes Quality: HD IMDb: 1.50 / 10 by 2 users Popularity: 5.777 Language: English

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