So that we could back track where our ancestors and other ancestors of other species came from.
No, the fossil record is not complete. Not all animals and plants were fossilized during the last 4 billion years of the earths existence.
horse
Yes
horse
because earthquakes have destroyed everything
No, the fossil record is not complete. Not all animals and plants were fossilized during the last 4 billion years of the earths existence.
Fossil records are not complete. By some estimates, less than 1% of organisms that have lived appear in the fossil record.
The answer is the fossil record :D
No, it doesn't. consider for a moment that about 98% of all life on the planet is extinct. Now consider that the conditions necessary to produce fossils does not exist everywhere. You have a clue to why we do not have a complete, or even a miniscule record of the history of life on Earth.
paleozoic
The fossil record organizes fos- sils by their estimated ages and physical similarities.
The fossil record organizes fos- sils by their estimated ages and physical similarities.