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The Burgess Shale in British Columbia contains very old (~550 million years ago), very rare fossils of very early organisms. This is Haplophrentis. The function of the pair of short spines is unknown but the creature was tiny, just a few centimeters in length (hint 2.5 cm = 1 inch, more or less).

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Funniest Memes -

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Dinosaur Teeth: Dental and dietary diversity in multituberculate mammals. From Adaptive radiation of multituberculate mammals before the extinction of dinosaurs, Gregory P. Wilson et. al. Nature Vol 483, Issue 7390 (22 March 2012) #dinosaurs Nature Publishing Group

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Devonian: geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period (about 419 may) to the beginning of the Carboniferous Period (about 358 mya); named after Devon, England, where the rocks from this period were first studied; 1st significant adaptive radiation of terrestrial life; no large vertebrate terrestrial herbivores yet, but free-sporing vascular plants spread across dry land, extensive forests

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Finches Adaptive Radiation

ommanyte: “ ORICORIO. Some really fab new Pokémon based on Hawaiian Honeycreepers. Just look at that Adaptive Radiation @v@. I wanted to emulate that style you see in those beautifully illustrated old bird identification books ”

The Origin of Species: Lizards in an Evolutionary Tree --short film from HHMI's BioInteractive

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sexxulents: SILVER SWORD are magic space machines planted in Hawai’i by ancient aliens & ONLY grow in Haleakalā crater on Maui.

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