3 results for “fossil”

1. Life & Biology

   Evolution

   fossil record shows life changing through time. The oldest rocks hold only microbes. Then, about 540 million

   Article · 4 min read

   

2. Life & Biology

   Dinosaurs and Mass Extinctions

   fossil nests show that some brooded them and cared for their young. The flying pterosaurs and the marine

   Article · 3 min read

   

3. Life & Biology

   The Origin of Life

   fossils are stromatolites, layered mounds built by mats of microbes, from rocks in Australia 3.5 billion

   Article · 4 min read