WebIf a fossil is encased in a stratum of sedimentary rock without any strata of igneous rock (for example, lava, volcanic ash) nearby, then it should be. difficult to determine the absolute … Web7 mrt. 2011 · Best Answer. Copy. Hard-bodied animals date back to the Cambrian era, about 540 million years ago. However there are earlier advanced soft fossils found in recent years at places like Ediacara in ...
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Web26 feb. 2024 · Approximately how old is a fossil with 12 g of Carbon -14 if it initially possessed 32 g of Carbon -14? (Given log 2.667 = 0.4260) asked Jan 20, 2024 in Chemistry by priya ( 19.0k points) Web31 jan. 2024 · Paleoclimatology is the study of Earth's climate during the entire history of the Earth. Paleoclimate research uses geologic and biologic evidence ( climate proxies) preserved in sediments, rocks, tree rings, corals, ice sheets and other climate archives to reconstruct past climate in terrestrial and aquatic environments around the world. csea vision insurance
Approximately how far back in time does the fossil - Course Hero
Web15 mei 2012 · Fossil evidence becomes abundant in the geological record in the Cambrian Era, which was about 550 million years ago (when hard shelled animals appeared) Therefore (550/4600)*100 = roughly 12% of ... Web17 nov. 2014 · How far back does the fossil record extend. All Earths land mass was located in a single continent Pangaea during which period. What is a sentence for trophic … Web25 jul. 2024 · FOSSIL HISTORY. The fossil record provides a unique window into the natural history of our planet, enabling scientists to study changes in biodiversity over time and understand the transitions between different ecosystems through deep time. The fossil record extends back approximately 500 million years ago (although there are some … csea union reviews