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...Teacher support planningcontent outline geologic time for teaching section life and underlined words phrases are to be filled a earth s history is divided into units that make up in by students on the note taking worksheet scale based appearance or disappearance of types organisms such as trilobites index fossils lived during specific periods four major subdivisions eons longest subdivision abundance b eras marked significant worldwide changes present rock c existing at particular d epochs characterized differences forms but can regional rather than global subdivided only if records organicevolution have changed over most likely because environmental species normally reproduce with other members their group darwin theory natural selection more adapted an environment inc within occurs characteristics some numbers hill companies w increase urvival artificial breeding individuals desired humans use this type when domestic animals newspecies evolve from division mcgra exoskeleton three lob...