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Fossil Record: Terms

Abiotic/physical factors non-living factors such as erosions wind sun exposure
benthic loving at the bottom of the ocean or on the ocean floor
biotic factors living factors such as decomposers scavengers and predators
body fossil body parts of organisms that become fossils such as bones teeth skin leaves tree trunks
cast casts are formed when sediment leaks into a mold and hardens to form a copy of the original
compression fossils form when an organism is flatten compressed leaving a dark stain in the rock
coprolite fossil feces
decomposer an organism that breaks down the tissue and or structures of dead organisms
erosion weathering or wearing away of the rock and earth and any fossils they contain caused by wind sun or water
fossil the natural remains or traces of past life something is considered to be a fossil if it is at least
fossil record all of the fossils that have existed throughout life's history whether they have been found or not
groundwater water found underground as an result of rain fall ice snow melt submerged rivers lakes and springs
lehnology the study of trace on fossils
igneous rock type of rock produced when molten magma cools and solidifies
impression not from living thing leaf prints skin prints and foot prints are good examples
inorganic not containing carbon
intertidal the coastal zone between the low and the high tide mark where waves impact the land
metamorphic rock rock produced when any type of rock is changed by heat pressure and chemical activity in the earth
mineralization the processes whereby living material is replaced with minerals
mold mold the impression of an organism left behind in the rock
paleontology the study of life in the past
paleontologists people who study fossils and other types of evidence to learn about life in the past
plate tectonics the concept that explains the movement of the earths crustal plates sea floor spreading and number of other geological process of the earth's surface
rock cycle the process through which one type of rock igneous sedimentary or metamorphic is converted into another
scavenger an organism that feeds on dead orgainsms
sedimentary rock rock that is formed when layers of small particles sediment are compressed and cemented together
trace fossils evidence left by dead organisms such as burrows imprints coprolites or foot prints
uplift the processes that causes part of the earths crust to rise above surrounding ares this can cause layers of rock to become exposed at the surface
Created by: Eric gomez