Section V Rock Record & Movement Ch. 21.1/21.4, 8.3, 9.1, 9.3, 10.2 – Vocabulary Review Vocabulary Review complete a memory cue (use in a sentence, – – describe in your own words, or create a sketch) for the following terms. Term Definition Memory Cue Organizing fossils based on Geologic Time Record of Earth’s history from its origin their age. Scale 4.6 bya to the present. Almost all of the organisms Occurs when an unusually large die suddenly. Mass Extinction number of organisms disappear from the rock record at about the same time. Surviving your environment based on your physical and Evolution The change in species over time. mental traits. The mosquito in amber is the Describes a fossil with soft and hard Original best example. parts that have undergone very little Preservation change since the organism’s death. Fossil whose soft organic material has The most common fossil. Altered Hard been removed and whose hard parts Part have been changed by recrystallization or mineral replacement. Fossil formed when an earlier fossil of a Cast plant or animal leaves a cavity that becomes filled. Fossil that can form when a shelled organism decays in sedimentary rock Mold and is removed by erosion or weathering, leaving a hollowed out impression. Indirect fossil evidence of an organism; Trace Fossil traces of worm trails, footprints, and tunneling burrows. Large, moving mass of ice that forms Glacier near Earth’s poles and in mountainous __________________ regions at high elevations.
Section V – Rock Record & Movement Ch. 21.1/21.4, 8.3, 9.1, 9.3, 10.2 Vocabulary Review – Vocabulary Review – complete a memory cue (use in a sentence, describe in your own words, or create a sketch) for the following terms. Term Definition Memory Cue Geologic Time Scale Record of Earth’s history from its origin 4.6 bya to the present. Organizing fossils based on their age. Mass Extinction Occurs when an unusually large number of organisms disappear from the rock record at about the same time. Almost all of the organisms die suddenly. Evolution The change in species over time. Surviving your environment based on your physical and mental traits. Original Preservation Describes a fossil with soft and hard parts that have undergone very little change since the organism’s death. The mosquito in amber is the best example. Altered Hard Part Fossil whose soft organic material has been removed and whose hard parts have been changed by recrystallization or mineral replacement. The most common fossil. Cast Fossil formed when an earlier fossil of a plant or animal leaves a cavity that becomes filled. Mold Fossil that can form when a shelled organism decays in sedimentary rock and is removed by erosion or weathering, leaving a hollowed out impression. Trace Fossil Indirect fossil evidence of an organism; traces of worm trails, footprints, and tunneling burrows. Glacier Large, moving mass of ice that forms near Earth’s poles and in mountainous regions at high elevations. __________________
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