Online test4

Online test4 - 4. Who discovered the "Cambrian...

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Student ID 4171 Group No. 111/13/2007 12:06:21 PM 1. The 3 major characteristics of mammals are: 1. Cold- blooded; give birth to live young; breathe air 2. Endothermic, bipedal: all are land creatures 3. Endothermic (warm blooded) : breathe air; give birth to living young 4. All have living young; bi-pedal: breathe air c 2. What specifically does EVOLUTION " tinker" with? 1. specialized segments 2. internal nerve cord 3. pedalism 4. cranium development 5. none of above a 3. What is the genetic "tool kit"? 1. RNA 2. tRNA 3. DNA 4. mRNA 5. all of the above c
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Unformatted text preview: 4. Who discovered the "Cambrian Explosion"? Where was it found and when was it found? 1. Burgess, Canadian Rockies, 1893 2. Wolcott. American Rockies, 1913 c 3. Burgess, Canadian Rockies, 1952 4. Burgess, Canadian Rockies, 1813 5. none of the above 5. What is the crucial turning point for humans, when did it occur and what did it lead to? 1. Our ancestors left the trees, 2 mya, bipedalism 2. Our ancestors left the trees, 4 mya, bipedalism 3. Our ancestors left the trees, 1 mya, bipedalism 4. Our ancestors left the tress, 10 mya, bipedalism b...
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Online test4 - 4. Who discovered the "Cambrian...

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