Stickleback Evolution

Paul Andersen describes microevolution and macroevolution in the stickleback fish of Loberg Lake. He describes how anadramous fish repopulated the lake after poisoning and adapted to the new environment through natural selection. He also explains how reproductive isolation has appeared in fish that have diverged only a few decades in the past.

Read more about the stickleback here:
http://life.bio.sunysb.edu/ee/belllab...

Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound: http://www.freesound.org/people/Cosmi...
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• Category

  Education

[William Wang]

I am in the final year of my biomedicine degree, yet i still find your videos educating. Great job spreading knowledge in a fun way!

[Neeboopsh]

as usual, high quality content. even for us just north of the border :P

[Seila Peleteiro]

Well, this could be plasticity, no evolution. Whe the fishes are in hostil environement they could develop an armour, but when the same environemet becomes good, they can spend energy in other factors. I'm not an expert, but this could be a possibility.

I'm in my last year of biology at university. I know a little about their evolution. If i'm wrong and i'm crazy, please, tell me.

[sam ek]

good video. Thanks

[whiteliketar]

ha ha - now i know who is brainwashed. 

[CrakenX]

Two group of animals are considered species if they can't interbreed with each other. This meets that requirement perfectly. Also, it's pretty evident that you don't understand anything about species classification or evolution. 'Fish' aren't a single species. Heck, the term technically includes everything from sharks to frogs to birds to mammals. Before accusing other people of being brainwashed, I suggest you remedy your own ignorance first.

[gurudeclan]

What did you expect? a polar bear after twenty years? dumbass

[whiteliketar]

Still a fish - brainwashed darwinists - still a fish - quit hijacking the term species.

[EvoGenVideos]

Excellent video. : )

[jjcrazi]

aren't these the guys that like red mail trucks?? lol