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What a weirdly long giraffe nerve can teach us about evolution: Crash Course Biology #11

2023-09-05

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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.

Chapters:

Where Whales Came From 00:00

What Is Evolution? 1:41

Genetic Mutations 3:30

Adaptations & Trade-offs 5:10

Evidence of Evolution 7:58

Unicellularity vs. Multicellularity 10:23

Did Humans Evolve From Monkeys? 11:36

Review & Credits 12:30

This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information.

Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biologystandards

Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB

Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3

Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing

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Where Whales Came From
/youtube/video/2TSIUt-lHyo?t=0
What Is Evolution?
/youtube/video/2TSIUt-lHyo?t=101
Genetic Mutations
/youtube/video/2TSIUt-lHyo?t=210
Adaptations & Trade-offs
/youtube/video/2TSIUt-lHyo?t=310
Evidence of Evolution
/youtube/video/2TSIUt-lHyo?t=478
Unicellularity vs. Multicellularity
/youtube/video/2TSIUt-lHyo?t=623
Did Humans Evolve From Monkeys?
/youtube/video/2TSIUt-lHyo?t=696
Review & Credits
/youtube/video/2TSIUt-lHyo?t=750
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