What Is A Fossil Anyway

What Is A Fossil Anyway - on that. Type II-Something that...

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What Is A Fossil Anyway? What is a fossil? Simply put, a fossil is the remains or evidence of any creature or plant that once lived on the Earth. Now let's look at the long answer. There are quite a few fossil classification systems in use today, but my favorite is the one used by Peter Larson and Kristin Donnan in their book, Bones Rock! They group them into two categories: Type I- the remains of the dead animal or plant or the imprint left from the remains. Type I includes: bones teeth skin impressions hair the hardened shell of an ancient invertebrate (an animal without a backbone) like a trilobite or an ammonite, or the impression of an animal or plant , even if the actual parts are missing. So now you have one short and one long answer to the question: "What is a Fossil?" Let's build
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Unformatted text preview: on that. Type II-Something that was made by the animal while it was living that has hardened into stone. These are called trace fossils. Type II includes: • footprints • burrows • coprolite or animal poop Coprolite Dinosaur footprint • Type I fossils can be the actual thing that it once was, like a piece of bone or hair or feather. More often the bone material is replaced by different minerals contained in the liquid of the sediments that buried it. What was once bone is now some sort of crystal. • This process also takes place with shells, exoskeletons and wood. If the spaces in the bone are filled with liquid minerals which later harden it is called permineralization....
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This note was uploaded on 11/22/2011 for the course GLY GLY1100 taught by Professor Jaymuza during the Spring '10 term at Broward College.

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What Is A Fossil Anyway - on that. Type II-Something that...

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