Hey everyone. It’s Poppy, and I just found some super cool science news. You know me; I love find out about how things became what they are. And this article about exactly that!
I went to the internet, and on my homepage there was a feature story about fossils, and I wanted to share the subject with you. The article, originally appearing on LiveScience.com, talks about where the oldest animals on the planet were found. Originally, conventional thought states that the oldest organisms were form the ocean. Perhaps you remeber form sceince class or reading about the dinosaurs, that scientists think the organisms, like types of fungi and prokaryotes, were formed in the ocean beds first? Well, researches are now thinking this might not be true!
Instead, scientists found a clay-like matter called smectite in rock formations in China. This smectite is made of minerals and was somehow preserved in China’s Doushantuo Formation. The clay should have been transformed into another kind of rock, says CalTech researcher Tom Bristow. But, the smectite survived because of the “salty, alkaline lakes” that were there. Furthermore, there were no adult fossils in the formation, but rather fossils of super tiny baby-like ones that could only be seen with a microscope. Pretty cool, huh? So I guess it was lakes that started it all and not oceans. But this leads to more questions- like how did evolution happen if organisms started in lakes? What do you think? Let me know!
Posted by GirlMogul Poppy