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Crash Course Biology

2 季节
81 插曲

Crash Course Biology - Season 2 Episode 11 第 11 集


(2 votes, average: 1.50/ 10)

15 分钟 2025 HD

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From a single-celled common ancestor, evolution has brought us all of Life’s Greatest Hits — including butterflies, beetles, bacteria, and human beings. In this episode of Crash Course Biology, we’ll learn how evolution explains life’s unity and diversity. Along the way, we’ll explore the fishy origins of a giraffe’s neck, and find out what a cat’s paw and your own arm have in common.

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季节 0 季节 1 季节 2

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