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Five times evolution ran in 'reverse'


Claire.

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5 Times Evolution Ran in ‘Reverse’

Hagfish, penguins, and aphids are just some of the creatures that have been shaped by what’s known as regressive evolution.

Gaze into the face of a hagfish—a slimy, eel-shaped marine animal—and the hagfish won’t gaze back. The creatures are almost blind, finding their way around the seafloor primarily using their sense of smell and touch. Now, in a shock to biologists, a close look at a 300-million-year-old hagfish fossil reveals that the animals once had working eyes—and evolution took them away.

Read more: National Geographic

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The whole natural process of evolution is remarkable.Anytime the cost outweighs the benefit the course will change.And in regards to hagfish the process certainly doesn't discriminate against creepiness... I have read where they crawl right into the stomachs of larger animals and feed on the contents!   :blink:

image17-537x40211.jpg

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6 minutes ago, khol said:

The whole natural process of evolution is remarkable.Anytime the cost outweighs the benefit the course will change.And in regards to hagfish the process certainly doesn't discriminate against creepiness... I have read where they crawl right into the stomachs of larger animals and feed on the contents!   :blink:

Could that not have waited until after breakfast? jk Thanks for that tidbit of information.

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14 minutes ago, Claire. said:

Could that not have waited until after breakfast? jk Thanks for that tidbit of information.

my apologies..I havent had breakfast yet either ! :wacko:  

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