Evolution Quiz

The picture represents what evidence of evolution?

• Homologous structure
• Analogous structure
• Vestigial structure
• Heterozygous structure

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The structures shown are_____________.

• analogous

• homologous

• vestigial

• heterozygous

Which of the following is a fossil?

• a plant that has recently died
• a group of organisms that can reproduce
• a structure or organ that no longer functions
• a trace of an organisms that existed in the past

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Over time, adaptions can lead populations to experience 

• environmental changes
• genetic changes
• geological changes
• extinction

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In natural selection, the selective agent is the

• humans
• mutations
• breeders
• environment

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a bird that can easily outcompete other birds for food and that can produce many eggs has a high

• life expectancy
• mutation rate
• fitness
• adaptability

The table shows the survival rate of two types of beetles in the same environment over a period of three years.  

Which statement about the beetles in this environment is best supported by the data?

• Brown beetles have a shorter life cycle than green beetles have
• Green beetles are more fit for their environment than brown beetles
•  brown beetles are undergo more unfavorable mutations than green beetles

Why did Darwin's finches develop different beaks?

• individual birds changed their beaks based on what food they wanted to eat 
• they developed in different countries and then migrated to different islands on the Galapagos
• To tell each other apart for mating
• The beaks are a feeding adaptation due to competition for scarce food

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Which type of natural selection shown in Figure 11-3 favors average individuals?

• A

• B

• C

• D

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When allelic frequencies remain unchanged, a population is in genetic equilibrium. This statement expresses which of the following?

• genetic drift

• Hardy-Weinberg principle

• sympatric speciation

• prezygotic isolating mechanism