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5 Written questions

5 Multiple choice questions

  1. Chlorophyll-containing, photosynthetic bacteria thought to be one of Earth's earliest life-forms
  2. The longest part of earths history, lasting from 4 billion to about 544 million years ago.
  3. era of ancient life, which began about 544 million years ago when organisms developed hard parts and ended with mass extinctions about 245 million years ago
  4. Change of organisms over geologic time
  5. longest subdivision of geologic time scale that is based on the abundance of certain types of fossils and is subdivided into eras, periods, and epochs

5 True/False questions

  1. Natural selectionThe process by which organisms that are suited to a particular environment are better able to survive and reproduce than organisms that are not.

          

  2. PangaeLarge ancient land mass that was composed of all the continents

          

  3. PeriodThird longest divison of geologic time-subdivided into epochs and is characterized by the types of life that existed worldwide

          

  4. Epochlongest subdivision of geologic time scale that is based on the abundance of certain types of fossils and is subdivided into eras, periods, and epochs

          

  5. Mesozoic eraMiddle era of Earth's history, during which Pangaea broke apart, dinosaurs appeared, and reptiles and gymnosperms were the dominant land life-forms

          

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