7c 7e 7f Evolution Flashcards
Quiz by Kabreena Attaway
High School
Biology (2017)
Texas Essential Knowledge and Skills (TEKS)
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13 questions
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- Q1What is genetic drift?The random changes in the frequency of alleles in a population30sBIOL.7f
- Q2What are two primary examples of genetic drift?Population bottlenecks and the founder effect are examples of genetic drift30sBIOL.7f
- Q3What events might cause a population bottleneck?Overhunting, deforestation, and drastic climate changes can cause a population to decrease rapidly30sBIOL.7f
- Q4What is founder effect?The loss of genetic diversity that happens when a small group of individuals starts a new population30sBIOL.7f
- Q5What causes genetic recombination?Chromosomes cross-over during meiosis creating new combinations of genes30sBIOL.7f
- Q6When does genetic recombination occur?Genetic recombination occurs during meiosis (This is the process which creates gamete cells)30sBIOL.7f
- Q7What process creates new alleles?Mutations create new versions of genes30sBIOL.7f
- Q8What is gene flow?The movement of alleles between two populations of a species30sBIOL.7f
- Q9How does the theory of gradualism describe evolution?One long, continuous process of very slow, gradual change30sBIOL.7c
- Q10How does the theory of punctuated equilibrium describe evolution?Long periods of very little change (stasis) followed by periods of very rapid speciation30sBIOL.7c
- Q11How are mitochondria and chloroplasts like bacteria?They are similar in size, have circular chromosomes, and reproduce through binary fission30sBIOL.7e
- Q12What is the theory of abiogenesis?The theory that life originated from non-living substances through natural processes30sBIOL.7e
- Q13Which molecules store information needed for life?DNA and RNA store the information needed for life30sBIOL.7