5 Written Questions

1. A group of organisms that can only reproduce with it's own kind.
2. The process by which organisms that are suited to a particular environment are better able to survive and reproduce than organisms that are not.
3. 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
4. Second longest division of geologic time based on major worldwide changes in types of fossils
5. Third longest divison of geologic time-subdivided into epochs and is characterized by the types of life that existed worldwide

5 Multiple Choice Questions

1. Chlorophyll-containing, photosynthetic bacteria thought to be one of Earth's earliest life-forms
   1. Mesozoic era
   2. Cenzoic era
   3. Cyanobacteria
   4. Paleozoic era
2. Middle era of Earth's history, during which Pangaea broke apart, dinosaurs appeared, and reptiles and gymnosperms were the dominant land life-forms
   1. Cenzoic era
   2. Mesozoic era
   3. Cyanobacteria
   4. Paleozoic era
3. Next smaller division of geologic time after the period, is characterized by differences in life forms that may vary regionally.
   1. Epoch
   2. Species
   3. Eons
   4. Eras
4. This division of Earth's history into time units based on life forms that lived only during certain periods.
   1. Cenzoic era
   2. Mesozoic era
   3. Paleozoic era
   4. Geologic time scales
5. an 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.
   1. Cyanobacteria
   2. Mesozoic era
   3. Cenzoic era
   4. Paleozoic era

5 True/False Questions

1. Paleozoic era → Middle era of Earth's history, during which Pangaea broke apart, dinosaurs appeared, and reptiles and gymnosperms were the dominant land life-forms

   True        False

2. Trilobite → Third longest divison of geologic time-subdivided into epochs and is characterized by the types of life that existed worldwide

   True        False

3. Pangae → Large ancient land mass that was composed of all the continents

   True        False

4. Organic evolution → The process by which organisms that are suited to a particular environment are better able to survive and reproduce than organisms that are not.

   True        False

5. Precambian time → The longest part of earths history, lasting from 4 billion to about 544 million years ago.

   True        False