Evolution Review

What is the cause for all variation within a population?

• Natural Selection
• Adaptation
• Mutation
• Environmental Changes

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Ten brown mice and ten white mice are placed in a desert (brown sand) environment. What will happen to the white population over time?

• It will increase

• It will decrease

• It will stay the same

• There is no way to tell

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Because of an environmental change, organisms develop mutations to survive in that environment.

• True
• False

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According to the diagram, who is most closely related to primates? 

• Amphibians
• Rodents & Rabbits
• Crocodiles
• Sharks

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When has speciation occurred?

• When populations no longer look the same
• When populations no longer have the same frequency of alleles
• When populations are living in different environments
• When populations can no longer interbreed

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Which of the following is true about antibiotic-resistant bacteria?

• Bacteria with antibiotic resistance are more likely to survive and reproduce
• Over time, the entire population will become antibiotic resistant
• Bacteria don't mutate as a result of exposure to the antibiotic
• All of these

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A rabbit that can easily outcompete other rabbits for food and that can produce many offspring has a high

• sexuality
• mutation rate
• fitness
• adaptability

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A chance occurrence that negatively affects a population because the population is small is 

• genetic drift
• mutation
• speciation
• migration

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When would convergent evolution occur?

• When organisms share a common ancestor
• When organisms live in similar environments
• When organisms become increasingly different
• When organisms experience a change in their environment

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Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?

• The function of these bones is the same in all animals
• They live in similar environments
• They have a common ancestor
• All organisms resemble humans

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