can you tell a little bit of facts about plant fossils?
109759
Plant fossils include roots, wood, leaves, seeds, fruit, pollen, spores, phytoliths, and amber (the fossilized resin produced by some plants). Fossil land plants are recorded in terrestrial, lacustrine, fluvial and nearshore marine sediments. Pollen, spores and algae (dinoflagellates and acritarchs) are used for dating sedimentary rock sequences. The remains of fossil plants are not as common as fossil animals, although plant fossils are locally abundant in many regions worldwide.\n\nEarly fossils of these ancient plants show the individual cells within the plant tissue. The Devonian period also saw the evolution of what many believe to be the first modern tree, Archaeopteris. This fern-like tree combined a woody trunk with the fronds of a fern, but produced no seeds.\n\nThe Coal Measures are a major source of Palaeozoic plant fossils, with many groups of plants in existence at this time. The spoil heaps of coal mines are the best places to collect; coal itself is the remains of fossilised plants, though structural detail of the plant fossils is rarely visible in coal. In the Fossil Forest at Victoria Park in Glasgow, Scotland, the stumps of Lepidodendron trees are found in their original growth positions.\n\nThe fossilized remains of conifer and angiosperm roots, stems and branches may be locally abundant in lake and inshore sedimentary rocks from the Mesozoic and Caenozoic eras. Sequoia and its allies, magnolia, oak, and palms are often found.\n\nPetrified wood is common in some parts of the world, and is most frequently found in arid or desert areas were it is more readily exposed by erosion. Petrified wood is often heavily silicified (the organic material replaced by silicon dioxide), and the impregnated tissue is often preserved in fine detail. Such specimens may be cut and polished using lapidary equipment. Fossil forests of petrified wood have been found in all continents.\n\nFossils of seed ferns such as Glossopteris are widely distributed throughout several continents of the southern hemisphere, a fact that gave support to Alfred Wegener's early ideas regarding Continental drift theory.
984374
Well, that depends.  There is evidence of algae at 3.5 billion, probably photosythetic cells by 2.0, and clear plants by 400 million.  With a 4.6 billion year old earth, that's 76%, 43%, or 8.7% of the time.
665052
Plants, i think. look in a dictionnary or online.
210034
Maybe can you tell me more?
622709
Because of the continuous weathering of the sedimentary rock formations over the millions of years. Fossils are rare to begin with and many have been lost. We are still continuing to find additional evidence all the time, though.
1130463
I know a little bit about them.  Do you have a specific question?
441977
Actually, they have found half and half fossils.  Read this:\n\nFish with legs and lungs\nhttp://www.nytimes.com/2006/04/05/science/05cnd-fossil.html?ex=1301889600&en=43e5c9ecb1dd0cd6&ei=5090&partner=rssuserland&emc=rss\n\nFossil that links modern man with Homo erectus\nhttp://www.cnn.com/2006/WORLD/africa/03/25/missing.link.ap/index.html\n\nBy the way, to the people that say it's still a "theory".  In the scientific community, a theroy is something that has been backed up by countless experiments, records, discoveries, etc.  It DOES NOT MEAN something that is yet to be proven, that is a called an hypothesis.
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You may want to check out a great book called "The Variety of Life," by Collen Trudge.  He gives a great overview of the evolution and relationship of plants (as well as all other life).\n\nThere is so much to go over when you are asking about all plants as you are (that's why the first answer probably seems a little confusing).  You may also feel free to email me with questions - the evolution of plants is a great interest of mine (I only have a Bachelors degree in Botany, but I'm sure I can help).\n\nThe plant kingdom is divided into two sub-kingdoms (all these groupings and divisions should reflect their evolutionary lineage) trachaeophytes (most plants that you think of) and bryophytes (mosses, liverworts and hornworts).\n\nThe tracheophytes are then divided into about 21 "phylums" (usually called "divisions" in botany) some living, some extinct.\n\nThe largest division is the angiosperms (flowering plants), which are then divided into (mostly) monocots and dicots.\n\nGymnosperms is kind of a false grouping.  It includes divisions such as conifers, ginkos, cycads, gnetophytes, and other extinct divisions.  Really, they are no more closely related to one-another than they are to flowering plants.\n\nIf you have further questions, add details to your question, I will check back.  Or just write to me.
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Here are some really basic notes, i don't know what grade you are in, i'm is 6th\n\nFirst, a fossil is made by:\n\n1.  the animal dies and lays on usually sand and mud\n2.  any living objects have calcium\n3.  later, the skins and other parts are rotted and faded away.  \n4.  only the solid, bone, is left\n5.  new sediment covers it\n6.  then the water or whatever goes down into the sediment.  \n7.  the minerals of the water then fills in any gaps and hardens\n8.  the bone or solid will then be replaced by the minerals that are harden\n9.  a replica of the bone is made\n\nremember that a fossil is not a bone\n\na fossil is a replica, copy, of a bone\n\na fossil is a rock\n\narchaeolgist then puts the fossils together to get a view of the organism that has onced lived.\n\nmany things count on fossils, like what type of animals lived.  or even how migrators moved.  footprints are also can be a type of fossil...\nwww.diamondgemztone.piczo.com\n<>dia gemz\nsheri
632491
http://www.plantsci.cam.ac.uk/teaching/content.html
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It wouldn't be a rock it would be bone... made up of calcuim and prob covered in whatever layers of soil it's gone through over millions of years...\n\nFossils (from Latin fossus, literally "having been dug up") are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms. The totality of fossils and their placement in fossiliferous (fossil-containing) rock formations and sedimentary layers (strata) is known as the fossil record. The study of fossils is called paleontology.\n\n Fossil fish of the genus KnightiaFossilization is actually a rare occurrence because most components of formerly-living things tend to decompose relatively quickly following death. In order for an organism to be fossilized, the remains normally need to be covered by sediment as soon as possible. However there are exceptions to this, such as if an organism becomes frozen, desiccated, or comes to rest in an anoxic (oxygen-free) environment such as at the bottom of a lake. There are several different types of fossils and fossilization processes.\n\nFossils usually consist of traces of the remains of the organism itself. However, fossils may also consist of the marks left behind by the organism while it was alive, such as the footprint or feces of a dinosaur or reptile. These types of fossil are called trace fossils (or ichnofossils) as opposed to body fossils. Finally, past life leaves some markers that cannot be seen but can be detected in the form of chemical signals; these are known as chemical fossils or biomarkers.\n\nFossil sites with exceptional preservation are known as Lagerstätten. These formations may have resulted from carcass burial in an anoxic environment with minimal bacteria, thus delaying decomposition. Lagerstätten span geological time from the Cambrian. Examples are the Cambrian Maotianshan shales and Burgess Shale, the Devonian Hunsrück Slates, the Jurassic Solnhofen limestone, and the Carboniferous Mazon Creek localities.\n\nThe oldest known structured fossils are most likely stromatolites. Now understood to be formed by the entrapment of sediment by mucous-like sheets of cyanobacteria[1], the oldest of these formations dates from 3.5 billion years ago. Even older deposits (3.8 billion years old) of heavy carbon that are indicative of even earlier life are currently proposed as the remains of the earliest known life on Earth.
581145
Fossils (from Latin fossus, literally "having been dug up") are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms. The totality of fossils and their placement in fossiliferous (fossil-containing) rock formations and sedimentary layers (strata) is known as the fossil record. The study of fossils is called paleontology.\n\nFossilization is actually a rare occurrence because most components of formerly-living things tend to decompose relatively quickly following death. In order for an organism to be fossilized, the remains normally need to be covered by sediment as soon as possible. However there are exceptions to this, such as if an organism becomes petrified or comes to rest in an anoxic (oxygen-free) environment such as at the bottom of a lake. There are several different types of fossils and fossilization processes.\n\nFossils usually consist of traces of the remains of the organism itself. However, fossils may also consist of the marks left behind by the organism while it was alive, such as the footprint or feces of a dinosaur or reptile. These types of fossil are called trace fossils, as opposed to body fossils. Finally, past life leaves some evidences that cannot be seen but can be detected in the form of chemical signals; these are known as chemical fossils (for lack of a better term).\n\n\nThe oldest known structured fossils are most likely stromatolites. Now understood to be formed by the entrapment of minerals by mucous-like sheets of cyanobacteria, the oldest of these formations dates from 3.5 billion years ago. Even older deposits (3.8 billion years old) of heavy carbon that are indicative of even earlier life are currently proposed as the remains of the earliest known life on Earth.\n\nRarity of fossils\n\nBecause fossilization requires the relatively quick preservation of bodily remains, fossils are relatively rare. Due to the combined effect of taphonomic processes and simple mathematical chance, fossilization tends to favor organisms with hard body parts, those that were widespread, and those that lived for a long time. On the other hand, it is very unusual to find fossils of small, soft bodied, geographically restricted and geologically ephemeral organisms, because of their relative rarity and low likelihood of preservation.\n[edit]\n\nPermineralization\nA permineralized trilobite, Asaphus kowalewskii\nEnlarge\nA permineralized trilobite, Asaphus kowalewskii\n\nPermineralization consists of organic remains being to some degree impregnated by minerals derived from the surrounding sediments or waters. For permineralization to occur, the organism must become covered by sediment soon after death or soon after the initial decaying process. The degree to which the remains are decayed when covered determines the later details of the fossil. Some fossils consist only of skeletal remains or teeth; other fossils contain traces of skin, feathers or even soft tissues. Once covered with sediment, these layers slowly become compacted and cemented into rock, and the organic remains are slowly replaced with hard minerals. This is a form of diagenesis.\n[edit]\n\nReplacement and compression fossils\n\nIn some cases the original remains of the organism have been completely dissolved or otherwise destroyed. When all that is left is an organism-shaped hole in the rock, it is called a mould fossil or typolite. If this hole is later filled with other minerals, it is called a cast fossil and is considered a replacement fossil since the original materials have been completely replaced by new, unrelated ones. In some cases replacement occurs so gradually and at such fine scales that no "hole" in the rock can ever be discerned and microstructural features are preserved despite the total loss of original material.\n\nCompression fossils such as those of fossil ferns are the result of chemical reduction of the complex organic molecules composing the org
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Pre-Cambrian life was mostly soft-bodied -- there were very few if any creatures with bones, skeletons, or hard shells, so there were very few fossils left.\n\nBesides, it was a long, long time ago -- and geological activity on the earth (volcanic action, subduction of continental plates, erosion, etc.) have wiped out a lof of what was the surface of the earth then. :)
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just go here : http://images.search.yahoo.com/search/images?_adv_prop=images&imgsz=all&imgc=&vf=all&va=extinct+animals+plants&fr=slv1-bkt1&ei=UTF-8
125413
Yes. Many scientists believe that the specialized association between today's butterflies and flowering plants suggests that butterflies developed during the Cretaceous Period, often called the "Age of Flowering Plants," 65 million to 135 million years ago -- a time when dinosaurs also roamed the earth.
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wikipedia comes to mind or do a Yahoo search. Put "plant anatomy" and "plant fiber" in quotes.
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It takes a very long time.  The oldest fossils are about 3.5 billion years old, but many are not nearly that old.  The youngest are probably only about 23 million years old or even less.\n\nThese links are helpful.