Unit 8 Targets 2 And 3: Evolution Quiz

15 Questions | Total Attempts: 392

SettingsSettingsSettings
Please wait...
Unit 8 Targets 2 And 3: Evolution Quiz


Questions and Answers
  • 1. 
    A biologist hypothesizes that biological evolution is occuring in a certain population of freshwater fish she is studying. To support this hypothesis, the biologist would need to document a change in which of the following?
    • A. 

      Size of individual fish over their lifetime

    • B. 

      Size of the population of fish over the course of her study.

    • C. 

      Frequency of alleles in the population over the course of her study

    • D. 

      Frequency of predation on members of the population over the course of her study

  • 2. 
    Horse skeleton fossils indicate that the size of horses increased over time. Which statement best explains this fossil record? 
    • A. 

      Smaller horses bred with larger horses, creating hybrids.

    • B. 

      Smaller horses were infected by a fatal virus early in their history.

    • C. 

      Larger horses consumed the food supply of the smaller horses.

    • D. 

      Larger horses produced a slightly greater number of surviving offspring.

  • 3. 
    Which of the following is a theory?
    • A. 

      An educated guess

    • B. 

      A very specific prediction

    • C. 

      Observation made during the Voyage of the Beagle

    • D. 

      A broad explanation that has been scientifically tested and supported

  • 4. 
    What does evolution mean in biology?
    • A. 

      Change in species over time

    • B. 

      Change in individuals over time

    • C. 

      Change in theories over time

    • D. 

      Change in ecosystems over time

  • 5. 
    Evolution can be defined as the genetic change in
    • A. 

      species.

    • B. 

      Environmental variation.

    • C. 

      Chromosomal drift.

    • D. 

      Natural selection.

  • 6. 
    Darwin thought that the plants and animals of the Galápagos Islands were similar to those of the nearby coast of South America because 
    • A. 

      Their ancestors had migrated from South America to the Galápagos Islands.

    • B. 

      Other scientists in South America had written about similar species.

    • C. 

      The island organisms had the same nucleotide sequences in their DNA as the mainland organisms.

    • D. 

      He found fossils, proving that the animals and plants had common ancestors.

  • 7. 
    The Galápagos finches are adapted to their environment because they have
    • A. 

      Not changed.

    • B. 

      Migrated.

    • C. 

      Evolved.

    • D. 

      Hibernated.

  • 8. 
    Natural selection is the process by which 
    • A. 

      Change occurs in the genetic characteristics of individuals that live together in an environment from one generation to another

    • B. 

      Organisms with traits well-suited to their environment reproduce at a greater rate than less well-adapted organisms in the same environment.

    • C. 

      Use and disuse of a characteristic leads to evolutionary change.

    • D. 

      Baseball players pass on the trait for strong arm muscles to children.

  • 9. 
    When a farmer breeds only his or her best livestock, the process involved is
    • A. 

      Natural selection.

    • B. 

      Artificial selection.

    • C. 

      Artificial variation.

    • D. 

      Survival of the fittest.

  • 10. 
    Charles Darwin called the ability of an organism to survive and reproduce in its environement
    • A. 

      Diversity.

    • B. 

      Fitness.

    • C. 

      Adaptation.

    • D. 

      Evolution.

  • 11. 
    Darwin's theory of evolution suggest that
    • A. 

      Species change over time.

    • B. 

      Extinct species are not related to living species.

    • C. 

      Different species can interbreed.

    • D. 

      Animals that look alike are the most closely related.

  • 12. 
    Which phrase best defines evolution by natural selection?
    • A. 

      As adaptation of a species to its environment

    • B. 

      A sudden replacement of one population by another

    • C. 

      Changes in a species as it becomes more perfect

    • D. 

      A process of change in species over time

  • 13. 
    According to the biological species concept, when comparing 2 populations (Population 1 and Population 2), which of the following most likely indicates that Population 1 and Population 2 are the same species? 
    • A. 

      Individuals from Population 1 are the same color as individuals from Population 2.

    • B. 

      Individuals from Population 1 consume the same species of prey as individuals from Population 2.

    • C. 

      Population 1 actually interbreeds with or has the potential to interbreed with Population 2.

    • D. 

      Population 1 inhabits the same general area as Population 2

  • 14. 
    A species is defined as organisms that have the ability to  __________.
    • A. 

      Reproduce

    • B. 

      Look the same

    • C. 

      Produce sterile offspring

    • D. 

      Produce fertile offspring

  • 15. 
    Dr. Romero is raising 3 types of damselfishes in separate aquariums: 2 from the Atlantic Ocean and 1 from the Pacific Ocean. This table summarizes the information she gathered through observations and breeding experiments.Based on the most commonly accepted definition of a species, how many different species of damselfishes is Dr. Romero raising, and which fish are they? 
    • A. 

      1 species: Fish A, B, and C are all members of the same species.

    • B. 

      2 species: Fish A and B are the same species; Fish C is a separate species.

    • C. 

      2 species: Fish A and C are the same species; Fish B is a separate species.

    • D. 

      3 species: Fish A, B, and C are all members of separate species.

Back to Top Back to top