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6 Written questions

6 Multiple choice questions

  1. a cell that contains a central nucleus and a complicated internal structure
  2. estimating the age of a sample or event in years , usually by measuring the amount of unstable atoms in the sample
  3. opposable thumbs, opposable big toes in all primates except humans, 5 fingers, binocular vision
  4. a 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.
  5. prokaryotic cells and then cyanobacteria
  6. 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.

5 True/False questions

  1. Neanderthalsa species of hominid that lived in Europe and Western Asia from 230,000 years ago to about 30,000 years ago

          

  2. Hominidsfamily referring specifically to humans and several extinct human-like species, some of which were human ancestors, 4.4 million years ago

          

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

          

  4. Paleozoic Erathe 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.

          

  5. Cro-Magnonsa species of humans with modern features that may have migrated out of Africa 100,000 years ago and eventually into every continent

          

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