2 ms·
World’s oldest meal found in 558M-year-old Ediacaran fossil
- docmechanic 4y ago"The key is in the fat molecules, or sterols. Animals make cholesterol, plants make sitosterols and fungi make fungal sterols. If you find fossilised cholesterol, then it is a sure sign that what you have is an animal. This is exactly what Bobrovskiy and Brock found. An abundance of fossilised cholesterol shows that Dickinsonia is an early animal."