9) In The Origin of Spoecies, Darwin argued that the mechanism of descent with m
ID: 218530 • Letter: 9
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9) In The Origin of Spoecies, Darwin argued that the mechanism of descent with modification was B) uniformitarianism D) artificial selection A) uired characteristics natural 40) 40) Natural selection can be defined as the production of more offspring than can survive in a given environment likely to survive and process in which organisms with certain inherited traits are more l reproduce than individuals with other traits C) the evolution of a population of organisms D) a process in which changes in gene frequencies result from evolution 41) 41) Gene flow is accomplished by B) mutation D) natural selection 42) 42) Why is it INCORRECT to assume that mass extinctions carry only negative impact on the evolution of life on Earth? A) Mass extinctions disprove Darwin's theory of evolution. B) Mass extinctions enable scientists to better study embryonic development in two species of organisms and therefore identify possible homology lass extinctions are sometimes followed by periods of evolutionary change when other organism groups can flourish and expand in diversity and size. D) Mass extinctions enable scientists to better study paedomorphosis. 43) Which of the following examples results from stabilizing selection? 43) snakes with different coloration patterns behave differently when threatened. B) There is an increase in the number of different breeds of dog. There is an increase in antibiotic-resistant strains of bacteria. The birth weight at which newborn humans are most likely to survive and the average weight of newborn humans are about the same. 44) In Yellowstone National Park, hot springs can reach temperatures of 205°F (96°. Despite these 44) high tem Aquifex bacteria flourish. How might you classify Aquifex bacteria? B) amoebas O) algae D) slime molds 45) A period of mass extinction is often followed by A) B) paedomorphosis D) global warming explosive diversi 46) Characid fishes are found naturally only in South America and Africa. Fossils of these fish are not found on any other continents. What is the most likely explanation of this distribution pattern? 46 Aher or meria and migaled acos the South Atlantic Ocean to the other continent. Characid fishes arose prior to the separation of the African and South American continents. Characid fishes arose in the South Atlantic Ocean and migrated to Africa and South America. D) Convergent evolution is responsible for the distribution of characid fishes.Explanation / Answer
39) the origin of species darwin argued that the mechanism of descent with the modification was done by natural selection
40) Natural selection can be defined as : a process in which organisms with certain inherited traits are more likely to survive and reproduce than individuals with other traits
41)Gene flow is accomplished by: Migration
42)Why is it INCORRECT to assume that mass extinctions carry only negative impact on the evolution of life on Earth? Mass extinctions are sometimes followed by periods of evolutionary change when other organism groups can flourish and expand in diversity and size.
43)Which of the following is an example of stabilizing selection? the birth weight at which newborn humans are most likely to survive and the average weight of newborn humans are about the same
44)In Yellowstone National Park, hot springs can reach temperatures of 205F (96C). Despite these high temperatures, Aquifex bacteria flourish. How might you classify Aquifex bacteria : extremophiles
45)A period of mass extinction is often followed by explosive diversification
46)Characid fishes only found naturally only in South America and Africa. Fossils of these fish are not found on any other continents. The most likely explanation of this distribution pattern: Characid fishes arose prior to the separation of the African and South American continents
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