Prepare yourself for the evolution section of the Keystone Exam.
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| What natural phenomenon increases the frequency of alleles if they are advantageous to a species' survival? | show 🗑
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| What happens to a population if a phenotype is produced that is not a selective advantage? | show 🗑
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| show | populations evolve
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| What evolutionary factor prevents individuals from mating? | show 🗑
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| What prezygotic mechanism is characterized by species living in different areas separated by terrestrial and aquatic barriers? | show 🗑
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| show | Temporal isolation
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| What prezygotic mechanism is characterized by individuals that mate only in certain preferred habitat? | show 🗑
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| What prezygotic mechanism is characterized by individuals of different species that don't recognize each other sexual cues? | show 🗑
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| show | Mechanical isolation
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| show | Gametic incompatibility
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| What evolutionary factor causes genomic incompatibility, hybrid inviability and/or sterility? | show 🗑
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| show | Zygotic mortality
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| What postzygotic mechanism is characterized by the hybrid forming, but is not viable? | show 🗑
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| show | Hybrid sterility
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| What postzygotic mechanism is characterized by the first generation hybrids are viable and fertile, but further hybrid generations are inviable or sterile? | show 🗑
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| show | Genetic drift
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| Genetic drift tends to reduce genetic variation. Why is this a problem? | show 🗑
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| show | Because it tends to happen most often in rare and endangered species
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| Genetic drift can contribute to speciation. Why is this significant? | show 🗑
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| What are the two types of genetic drift? | show 🗑
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| show | Bottleneck effect
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| show | reduced genetic variation
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| Why is reduced genetic variation bad for a population? | show 🗑
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| What is a world known example of bottleneck effect? | show 🗑
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| What type of genetic drift occurs when a new colony is started by a few members of a population? | show 🗑
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| What two outcomes does the founder's effect tend to cause? | show 🗑
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| What is the best evidence of evolution that scientist use? | show 🗑
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| What type of evolutionary evidence show a pattern of development from early ancestors to modern descendants? | show 🗑
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| What are the four different types of evolutionary evidence? | show 🗑
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| What type of evolutionary evidence compares different types of organisms to reveal basic similarities in body structure? | show 🗑
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| show | Vestigial structure
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| What type of evolutionary structures are derived from a common ancestor or same evolutionary or developmental origin? | show 🗑
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| show | Analogous structures
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| show | vestigial
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| show | vestigial
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| What type of structures are the forearm of a cat, crocodile and bat an example of? | show 🗑
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| show | Analogous
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| show | 1. a tail
2. buds that become limbs
3. pharyngeal pouches (gill slits)
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Created by:
carp115
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