3 results for “fossil record”
Life & Biology
Evolution
fossil record shows life changing through time. The oldest rocks hold only microbes. Then, about 540 million
Article · 4 min read
Planet Earth
Rocks, Minerals and Fossils
fossils allowed geologists to put Earth's history in order long before anyone could measure its age in years. Telling time in rocks That measurement came in the twentieth century from radioactivity
Article · 4 min read
Life & Biology
Dinosaurs and Mass Extinctions
fossil record shows that dominance is temporary and that catastrophe is a normal part of Earth
Article · 3 min read
