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Questions and Answers
What is biological evolution?
What is biological evolution?
- Static state of organisms
- Sudden appearance of new species
- Immediate change in the environment
- Descent with modification (correct)
Which of the following is NOT an example of biological evolution?
Which of the following is NOT an example of biological evolution?
- Trees losing their leaves seasonally
- Mountain ranges rising and eroding
- The descent of different species from a common ancestor (correct)
- Changes in allele frequency in a population
What is the fundamental process required for evolution to occur?
What is the fundamental process required for evolution to occur?
- Mutation of all genes in a population
- Selective breeding only
- Environmental stability
- Genetic variation acted upon by selective forces (correct)
Which statement best describes the role of genetic variation in evolution?
Which statement best describes the role of genetic variation in evolution?
What does evolution help us understand about life's history?
What does evolution help us understand about life's history?
Which process leads to small-scale evolution?
Which process leads to small-scale evolution?
What type of mutations can be beneficial, neutral, or harmful?
What type of mutations can be beneficial, neutral, or harmful?
Do mutations try to supply what an organism needs?
Do mutations try to supply what an organism needs?
Where do somatic mutations occur?
Where do somatic mutations occur?
Which type of mutations matter for large-scale evolution?
Which type of mutations matter for large-scale evolution?
What is a possible effect of a mutation occurring in a stretch of DNA with no function?
What is a possible effect of a mutation occurring in a stretch of DNA with no function?
What is the range of effects a single germ line mutation can have?
What is the range of effects a single germ line mutation can have?
What is genetic drift?
What is genetic drift?
How does genetic drift differ from natural selection?
How does genetic drift differ from natural selection?
Which populations are more affected by genetic drift?
Which populations are more affected by genetic drift?
What is the main driver of genetic drift?
What is the main driver of genetic drift?
How does genetic drift influence allele frequency?
How does genetic drift influence allele frequency?
Which statement best summarizes the role of genetic drift in evolution?
Which statement best summarizes the role of genetic drift in evolution?
What are mutations that cause the death of an organism called?
What are mutations that cause the death of an organism called?
Which of the following cannot be caused by mutations according to the text?
Which of the following cannot be caused by mutations according to the text?
What are the main reasons for mutations as discussed in the text?
What are the main reasons for mutations as discussed in the text?
What is the founder effect?
What is the founder effect?
What happens when DNA breaks down due to external influences?
What happens when DNA breaks down due to external influences?
Which type of mutations are considered 'naturally occurring'?
Which type of mutations are considered 'naturally occurring'?
How does the founder effect contribute to the emergence of certain genetic diseases?
How does the founder effect contribute to the emergence of certain genetic diseases?
What is the significance of DDT resistance in insects as mentioned in the text?
What is the significance of DDT resistance in insects as mentioned in the text?
What happens to the genetic variability of a new population established through the founder effect?
What happens to the genetic variability of a new population established through the founder effect?
Why does the founder effect lead to certain genetic traits becoming more prevalent in a new population?
Why does the founder effect lead to certain genetic traits becoming more prevalent in a new population?
Which generation in the founder effect scenario experiences a drastic reduction in population size?
Which generation in the founder effect scenario experiences a drastic reduction in population size?
What is one consequence of the founder effect on the final population?
What is one consequence of the founder effect on the final population?
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