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os carel analyais of the anatomical details of the specimes in 11) the phyBogene

ID: 276465 • Letter: O

Question

os carel analyais of the anatomical details of the specimes in 11) the phyBogenetie species coneep D) the eeological species concept salation of plants experien ww.nce as a …uilt ofanewly ostablished not a geugraphic barrier, reproduction between e hy brids experience lower and lower fitness, a A) alloatd by the hy brids are sterile. This in an example of what process hybrid stability D) reproductive charactetr 17) Where would a researcher most likely find examples of allopatrie speein A) in a forest on the east side of Lake Michigan the surface waters of Lak Michn C) in a forest on the west side of Laake Michigan D) in forests on the east and west sides of Lake Michigan 18) Geographic isolation of populations ean generally come about in two ways False: Speciation cannot occur without geographic isolation. A) True B) False 20) True/False: What causes geographie isolation for one kind of organism may not be isolating for another kind of organism. A)True B) False 21) Today's diversity of mammals originated with an adaptive radiation that occurred 65 million years ago. This adaptive radiation occurred because... A) increased competition led to rapid natural selection. B) the evolution of a novel trait that gave the animals an advantage. C) the ancestral species colonized a new continent. D) ecological niches were opened up and predators were removed. 22) Which of these should decline in hybrid zones where reinforcement is occurring? A) hybrid sterility B) mutation rates C) the genetic distinctness of the two gene pools D) gene flow between the distinct gene pools E) speciation

Explanation / Answer

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