WorksheetsExploring Evolution and Population Genetics
Total questions: 15
Worksheet time: 8mins
Which of the following best describes divergent evolution?
The process where unrelated species evolve similar traits.
The process where related species evolve different traits.
The process where two species evolve in response to each other.
The process where a species evolves into a new species without geographic isolation.
Which of the following is an example of convergent evolution?
The wings of bats and birds.
The different beak shapes of Darwin's finches.
The development of antibiotic resistance in bacteria.
The evolution of the horse's hoof.
In coevolution, which of the following scenarios is most likely to occur?
A predator evolves sharper teeth, and its prey evolves thicker skin.
Two unrelated species develop similar body structures.
A species evolves to become more similar to its ancestor.
A species becomes extinct due to environmental changes.
Genetic drift is most likely to have a significant impact on which type of population?
Large populations with high genetic diversity.
Small populations with low genetic diversity.
Populations undergoing stabilizing selection.
Populations with high gene flow.
The founder effect is best illustrated by which of the following scenarios?
A large population experiences a sudden reduction in size.
A small group of individuals colonizes a new habitat.
A population experiences a gradual change in allele frequencies.
A species evolves into two distinct species in the same geographic area.
Which of the following best describes a genetic bottleneck?
A population undergoes a rapid increase in size.
A population experiences a significant reduction in genetic diversity.
A population evolves new traits due to environmental pressures.
A population becomes isolated and evolves into a new species.
Gene flow is most likely to occur in which of the following situations?
Two populations are completely isolated from each other.
Individuals migrate between two populations and interbreed.
A population undergoes a genetic bottleneck.
A population experiences disruptive selection.
Stabilizing selection is best exemplified by which of the following scenarios?
A population of birds where only the smallest and largest beaks survive.
A population of plants where only the medium-sized plants survive.
A population of fish where only the fastest swimmers survive.
A population of insects where only the most colorful individuals survive.
Which of the following scenarios is an example of disruptive selection?
A population of rabbits where only the fastest and slowest individuals survive.
A population of birds where only the medium-sized beaks are favored.
A population of fish where only the largest individuals survive.
A population of insects where only the smallest individuals survive.
Directional selection is best illustrated by which of the following examples?
A population of moths where only the lightest and darkest individuals survive.
A population of wolves where only the largest individuals survive.
A population of plants where only the medium-sized plants survive.
A population of birds where the smallest beaks and medium sized beaks are favored.
Allelopathic speciation is most likely to occur in which of the following scenarios?
A new species evloves but it is not geographically isolated from its ancestor. No physical barrier is present.
A new species evloves due to geographic isolation from its ancestor. Physical Barrier like mountain range or river.
A population experiences a genetic bottleneck and evolves into a new species.
A population undergoes adaptive radiation and evolves into multiple new species.
Sympatric speciation is best exemplified by which of the following scenarios?
A population becomes geographically isolated and evolves into a new species.
A population evolves into a new species without geographic isolation.
A population experiences a genetic bottleneck and evolves into a new species.
A population undergoes adaptive radiation and evolves into multiple new species.
Adaptive radiation is most likely to occur in which of the following situations?
A single species evolves into multiple species to fill different ecological niches.
A population becomes geographically isolated and evolves into a new species.
A population experiences a genetic bottleneck and evolves into a new species.
A population undergoes stabilizing selection and maintains its current form.
Gradualism is best described by which of the following statements?
Evolution occurs in rapid bursts followed by long periods of stability.
Evolution occurs slowly and steadily over long periods of time.
Evolution occurs due to sudden environmental changes.
Evolution occurs only in small, isolated populations.
Punctuated equilibrium is best exemplified by which of the following scenarios?
A species evolves slowly and steadily over millions of years.
A species remains unchanged for long periods, then undergoes rapid evolution.
A species evolves due to gradual environmental changes.
A species evolves only in response to genetic drift.
