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6 Written questions

6 Multiple choice questions

  1. the period in the geologic time scale beginning about 248 million years ago and lasting about 183 million years ago- called Age of the Reptiles. Dinosaurs, marine lizards, birds, cone-bearing trees, and starting flower bearing plants.
  2. an early hominid that evolved more than 3.6 million years ago
  3. mass extinction of most of a species
  4. a species of hominid that lived in Europe and Western Asia from 230,000 years ago to about 30,000 years ago
  5. a cell that does not have a nucleus or any other membrane-covered organelles; also called a bacterium
  6. a species of humans with modern features that may have migrated out of Africa 100,000 years ago and eventually into every continent

5 True/False questions

  1. Paleozoic Erathe period in the geologic time scale beginning about 540 million years ago and ending about 248 million years ago- fish, sponges, corals, snails, clams, squids, and trilobites were abundant. Plants, fungi, and aerobic organisms colonized on land. Creepers began to crawl on land.


  2. Precambrian Timea period in the geological time scale beginning when the Earth originated, 4.6 million years ago, and ending when complex organisms appeared, about 540 million years ago- no oxygen in the atmosphere and all creatures lived in the ocean to escape harmful UV rays. Prokaryotes only exsisted. They were anaerobic. Then, cyanobacteria (photosynthetic organisms) began to produce oxygen that seeped through the water, into the atmosphere, and formed the ozone layer. Eukaryotes began to develop.


  3. Absolute Datingdetermining whether an event or object, such as a fossil, is older or younger than other events or objects


  4. Relative Datingestimating the age of a sample or event in years , usually by measuring the amount of unstable atoms in the sample


  5. Prosimiansthe first primate ancestor; also, a group of living primates that includes lorises and lemurs, 55 million years ago


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