One example is the non-flowering plant called Ginkgo. This means that these species have been unchanged for thousands or millions of years. However, it refers to species alive today that are the exact same as fossils that have been found. The constantly flowing water cuts through old earth to reveal what’s hidden below.įrom time to time, you might hear the term “living fossil.” Knowing what you already know about fossils, this probably seems like an odd term. In a similar way, you can often find fossils in shallow stream beds. As the ground is dug up and moved about, fossils once hidden deep underground suddenly come to light. Leer también German Scientists Identify Ancient Giant-Headed Amphibianįossils are often found during construction or new mining projects. This helps to preserve the remains long enough for them to form fossils. For example, many fossils form when plant and animal remains are buried by mud, sand, or soil. Certain conditions have to exist for this to take place. Not all plant and animal remains become fossils. This makes a fossil that is like stone but looks just like the plant or animal. Over time, the organic (living) material left behind is replaced with minerals. What are we talking about? Fossils, of course!įossils are the remains or impressions left by plants and animals that lived many years ago. When scientists find these imprints, they can learn a lot about the animals that left them. Have you ever WONDERed how scientists can know so much about things that happened thousands of years ago? For example, how do they know what certain dinosaurs looked like? After all, those dinosaurs have been extinct for thousands of years, right?īut what about the parts of those dinosaurs that were left behind? Occasionally, bones, teeth, and other parts may have left an imprint in a rock.
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