Origin&EarlyHistory

Origin&EarlyHistory - Biology 1102 1. Origin and Early...

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Biology 1102 Origin and Early History of Life 1. What is the estimate held most widely by geologists, cosmologists, and astronomers of the age of our universe? A. 1 million years B. 1 billion years C. 10 billion years D. 14 billion years E. 20,000 years 2. What is the commonly held scientific estimate of the age of our planet and solar system? A. 1 million yr B. 10 million yr C. 4.5 billion yr D. 14 billion yr E. 10 billion yr 3. What is the estimated approximate age of the oldest known evidence for life on this planet? A. 1 million yr B. 65 million yr C. 3.8 billion yr D. 1 billion yr E. 600 million yr 4. What is the approximate age since the origin of eukaryotic cells? A. 1 billion yr B. 600 million yr C. 3 billion yr D. 65 million yr E. 1 million yr 5. What age do geologists give for the age of the first fossils of multicellular animals? A. 640 million yr B. 1 billion yr C. 65 million yr D. 100,000 yr E. 100 million yr 6. What term do cosmologists give for the origin of our universe? A. Beginning B. Black Hole C. White Hole D. Big Bang E. Event One 7. What term do geologists and paleontologists give for all the time before we have diverse fossils of multicellular animals? A. Cambrian
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Origin&EarlyHistory - Biology 1102 1. Origin and Early...

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