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Fossil Record

TermDefinition
Abiotic Non-living factors such as erosion, wind and sun exposure
Benthic Living at the bottom of the ocean or on the floor
Biological Living factors such as decomposers, scavengers and predators
Body Fossil Body parts of organisms that become fossil 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 structure
Compression Fossils formed when organism is flattened (compressed), leaving a dark stain in the rock
Coprolite Fossilized feces
Decomposer An organism that breaks down the tissue and/or structures of dead organism
Erosion Weathering or wearing away of rock and earth (and any fossils they contain) caused by wind,sun,and/or water
Fossil The natural remains or traces of past life. Something is considered to be a fossil if it is at least 10,000 years old
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 a result of rainfall, ice and snow melt, submerged rivers, lakes,and springs
Ichnology The study of trace fossils
Igneous Rock Type of rock produces when molten magma (lava) cools and solidifies
Ingorganic Not containing carbon. Not from living things. Ex., mineral
Impression Fossilized prints or marks made by a living thing. leaf prints, skin prints and footprints are good exaples
Intertidal the coastle zone between the low and high tide mark where waves impact the land
Metamorphic Rock produced when any type of rock is changed by heat, pressure, and chemical activity in the earth
MIneralization The process whereby living material is replaced with minerals
Mold The impression of an organisms left behind in the rock
Palentology The study of life in the past
Palentologists Are people who study fossils and other types of evidence to learn about life in the past
Rock cycle The process through which one type of rock is converted into another
Scavenger An organism that feeds on dead and dying organisms
Sedimentary Rock that is formed when layers of small particles are compressed together
Trace fossils Evidence left by organisms sucha as burrows, imprints, coprolites, or footprints
Uplift The process that cures part of the earth's crust torise above surroundingd areas. This can cause layers of rock to become exposed at the surface
Created by: Christopher_Pena