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5 Written questions

5 Multiple choice questions

  1. organism with a three-lobed exoskeleton that was abundant in Paleozoic oceans and is considered to be an index fossil
  2. A group of organisms that can only reproduce with it's own kind.
  3. Change of organisms over geologic time
  4. 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
  5. Second longest division of geologic time based on major worldwide changes in types of fossils

5 True/False questions

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

          

  2. Cenzoic eraan era of recent life that began about 65 million years ago and continues today,includes the first appearance of Homo Sapiens about 400,000 years ago.

          

  3. PeriodSecond longest division of geologic time based on major worldwide changes in types of fossils

          

  4. 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.

          

  5. Cyanobacteriaan era of recent life that began about 65 million years ago and continues today,includes the first appearance of Homo Sapiens about 400,000 years ago.