5 Written questions
5 Multiple choice questions
- Middle era of Earth's history, during which Pangaea broke apart, dinosaurs appeared, and reptiles and gymnosperms were the dominant land life-forms
- 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.
- The process by which organisms that are suited to a particular environment are better able to survive and reproduce than organisms that are not.
- Large ancient land mass that was composed of all the continents
- 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
Geologic time scales → 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.
Cyanobacteria → Chlorophyll-containing, photosynthetic bacteria thought to be one of Earth's earliest life-forms
Paleozoic era → 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
Epoch → Next smaller division of geologic time after the period, is characterized by differences in life forms that may vary regionally.
Trilobite → Third longest divison of geologic time-subdivided into epochs and is characterized by the types of life that existed worldwide