Posted: February 2nd, 2017
Question 1. Question : The raisin-bread dough analogy is often used to present a mental picture of black holes the expanding universe spiral galaxies elliptical galaxies the steady state universe Question 2. Question : Organisms that have lived in the past but have disappeared forever from the Earth are said to be : hibernating extinct evolved naturally-adapted artificially selected Question 3. Question : Which of the following is found in a fossil record? documented changes in a species all fossils found, catalogued, and analyzed since the early sixteenth century 10,000 unique phyla more reptiles than insects all of these are correct Question 4. Question : The longest geologic era is the Proterozoic Paleozoic Mesozoic Cambrian Cenozoic Question 5. Question : A fossil is any single-celled form of life a structure that is no longer important for survival any structure that helps an organism survive a stone replica of a once-living organism any extinct cyanobacterium Question 6. Question : This individual conducted experiments involving the origin of life on the early Earth William Schopf Luis Alvarez Stanley Miller Alfred Wallace Walter Alvarez Question 7. Question : What were the first three elements formed in the Big Bang? hydrogen, lithium, and helium hydrogen, oxygen, and helium helium, oxygen, and carbon carbon, oxygen, and deuterium helium, oxygen, lithium Question 8. Question : The mechanism for evolution of living organisms as proposed by Darwin is artificial selection extinction natural selection genetic mutation DNA reorganization Question 9. Question : What piece of evidence do scientists now compare to prove humans and chimpanzees are close relatives? physical features behavior DNA strands food preferences the cell protein cytochrome C Question 10. Question : An object whose gravitational field is so strong that nothing can escape is a supercluster a void a black hole a quasar a pulsar Question 11. Question : The most recent “freezing” of the universe involved the creation of nuclei. atoms. elementary particles. quarks. molecules. Question 12. Question : Punctuated equilibrium is a theory of evolution that states that some species of organisms never change evolutionary changes usually occur in short bursts, separated by long periods of stability all species live only a certain number of years, punctuated by extinction all animals evolve at the same rate not all organisms follow the same rules of natural selection Question 13. Question : The hard outer skeleton characteristic of crabs, lobsters, and grasshoppers appeared during this period. Cenozoic Proterozoic Paleozoic Cambrian Mesozoic
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