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Science Pre-AP

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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Question
Answer
Evolution   the process in which population changes over time  
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What are the types of evolution?   microevolution and macroevolution  
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Microevolution   evolution or change on a small scale  
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Macroevolution   evolution or change on a large scale  
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Population Genetics   the science that studies the change in distribution of traits within a species population (A.K.A gene pool)  
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Species   Organisms that are so genetically similar that they have the potential to breed and produce that are viable and fertile  
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Viable   living  
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Fertile   able to reproduce eventually themselves  
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What four criteria is population defined by?   Same species of organism Located in the same location At the same time And showing signs of reproduction (offspring is present within the group)  
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Geographic Range   the geographical area within which a species can be found  
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Organisms that are common may have...   several populations that cover a wide range  
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What is one example of a range that is global?   humans  
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Geographic Barriers   large mountains or bodies of water  
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Do individuals evolve?   no; but populations do  
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Can you change DNA?   no  
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Mutations   random changes that occur in an organism’s DNA. Some help individuals survive in their environment and reproduce and some do not. Other mutations have no effect  
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If a mutation (change) occurs in the DNA of sex cells (gametes) of the parent(s) then what happens?   changes can be inherited by the offspring  
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Allele Frequency   how many alleles are present at that time within the population  
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Fixed   there is no change in frequency; no evolution is present (a state of equilibrium)  
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Evolving   frequency is changing; evolution is occurring (a state of change over time)  
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There are always how many traits for an allele?   2  
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