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AP Bio Chapter 24

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Word
Definition
macro evolution   show
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Speciation   show
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show the accumulation of changes associated with the tranformation of one species into another  
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Cladogenesis or branching evolution   show
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species   show
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biological species concept   show
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show impede mating between speicies or hinder the fertilization  
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show two species that live in different habitats within the same area may encounter each other rarely, if at all, even though they are not technicallt geographically isolated  
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show specials signs that attract mates  
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show two species that breed during different times or day, seasons, or years cannot mix their gametes  
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mechanical isolation   show
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show when the gametes refuse to make a zygote  
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show preventsthe hybrid zygote from developing into a viable, fertile fetus  
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reduced hybrid vialbility   show
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show reproduction isolation is intact if the hybrids are completely or largelt sterile  
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hybrid break down   show
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morphological species concept   show
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recognition species concept   show
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Cohesion species concept   show
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show emphasizes specific roles (niches), their positions and functions in the environment  
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evolutionary species concept   show
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show a geographical barrier that physically isolates populations initially blocks gene flow  
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show intrinsic factors, such as non random mating or chromosomal changes, that alter gene flow, become gradually genetically isolated even though their ranges overlap  
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show the evolution of many diversely adapted species from a common ancestor, darwin's finches  
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polyploidy   show
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show an individual that has more than two chromosome sets, all derived from a single species  
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allopolyploid   show
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show a region where two related populations that diverged after becoming geographically isolated make secondary contact and interbreed where their geopgraphical ranges overlap  
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puntuated equilibrium   show
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show a structure that evolved in one context and became co-opted for another function  
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show a difference in the relative rates of growth of various parts of the body, helps shapes an organism  
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show a sexually mature adult retains features that were juvenile structures in its evolutionary ancestors  
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heterochrony   show
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homeostasis   show
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show analogous to the production of a trend within a population by natural selection  
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