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Model natural selection using Jellybeans!
You will need Going Further - How did life begin? Check out this experiment for upper secondary to observe how the simple reaction of protein and carbohydrate can create life-like forms. Evolution & the Nature of Science Institutes activity:
Video: Evolution of block creatures by artificial natural selection And that's not atoll! http://www.absoluteastronomy.com/topics/Atoll
"The natural history of this archipelago is very remarkable: it seems to be a little world within itself." Charles Darwin, 1835, on visiting the Galapagos Islands Another quote “You will perhaps wish my barnacles and species theory al Diabolo [to the Devil] together, but I don’t care what you say; my species theory is all gospel.” Charles Darwin. Letter to Sir Joseph Hooker, 1848 Yet another quote “No one ought to feel surprise at much remaining as yet unexplained in regard to the origin of species and varieties, if he makes due allowance for our profound ignorance in regard to the mutual relations of all the beings which live around us. Who can explain why one species ranges widely and is very numerous, and why another allied species has a narrow range and is rare? Yet these relations are of the highest importance, for they determine the present welfare, and, as I believe, the future success and modification of every inhabitant of this world.” Charles Darwin, Introduction, On the Origin of Species, 1859  Custom Search
 Image courtesy Black beans have a great survival strategy, as many people dislike the aniseed taste (check the web, there are forums and groups dedicated to the subject!). The natural selection in this case is the students’ preference for non-black beans. More black jelly beans therefore survive predation, or selection, by students. Luckily black jelly beans are unable to pass down their traits to the next generation! |
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Science news stories courtesy of ABC Science Online. [Click on any headline for the full story]. |
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