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- 1. Multiple Choice
What word describes a trait that helps an organism survive in its environment?
natural selection
mutation
camouflage
adaptation
- 2. Multiple ChoiceChange over timeNatural SelectionSelective BreedingHomeostasisEvolution
- 3. Multiple Choice
Why are advantageous traits more likely to be passed onto offspring?
Because they are more likely to survive and reproduce.
Because they come from dominant alleles.
Because they come from recessive alleles.
Because the organism knew it needed that trait, survives, and passes it on.
- 4. Multiple Choice
Mutations are a change in what?
DNA
tRNA
protein
rRNA
- 5. Multiple ChoiceThe differences among a species, like different bird beaks, are calledgenes.variations.traits.theories.
- 6. Multiple Choice
Why is the mouse population changing over time?The light mice can reproduce more successfully than the dark miceThe hawks eat more dark mice than light mice because the dark mice taste betterThe hawks eat more light mice than dark mice because they can see the light mice more easilyThe hawks eat more dark mice than light mice because they can see the dark mice more easily - 7. Multiple Choice
"Organisms that are better adapted to the environment survive to pass traits to their offspring" is the definition of
Natural Selection
Evolution
Selective Breeding
Artificial Selection
- 8. Multiple Choice
Mutations are important because they bring about
death of the organism in which they develop
genetic variation needed for a population to evolve
benefits for the individual, not for the population
changes in genotype, but not phenotype
- 9. Multiple Choice
Natural selection occurs during the lifetime of a single organism.
True
False
- 10. Multiple Choice
What is most likely to happen to moth populations in the picture shown?
Light moths--hunted easily, dark moths--population increase
Dark moths--hunted easily, dark moths--population increase
Light moths--hunted easily, light moths--population increase
Lights moths will change their color to match dark moths.
- 11. Multiple Choice
TRUE or FALSE: Natural selection will still occur if individuals are exactly the same.
TRUE
FALSE
- 12. Multiple Choice
Which is an example of continuous variation?
Blood group
Biological sex
Height
Tongue rolling
- 13. Multiple Choice
What is required for natural selection to occur?
Genetic variation between individuals
Humans selecting desirable characteristics
No competition between individuals for resources
Offspring produced by asexual reproduction
- 14. Multiple Choice
Which statement describes the relationship between evolution and natural selection?
A change in the adaptive features of a population over time causes evolution, resulting in natural selection
Evolution causes a change in the adaptive features of a population over time, resulting in natural selection
Evolution causes natural selection, resulting in a change in the adaptive features of a population over time.
Evolution is the change in the adaptive features of a population over time as a result of natural selection.
- 15. Multiple Choice
Genetic variation is caused by: (select all that apply)
New mutations causing new alleles
New combinations of alleles due to sexual reproduction
Natural selection
Changes in the environment
Changes in the phenotype
- 16. Multiple Choice
Phenotypic variation is caused by
Alleles only
The environment only
Interaction between the alleles and the environment
Natural selection
None of the above
- 17. Multiple ChoiceScientists find that most feral cats in a neighborhood have whiskers about 12 cm long. After about 15 generations of stabilizing selection, what would you expect to see?even more cats with 12 cm long whiskersmost cats with less than 12 cm long whiskersmost cats with more than 12 cm long whiskersmost cats with whiskers either less than or more than 12 cm long, very few with whiskers 12 cms
- 18. Multiple Choice
physical or behavioral characteristics that increase chances of survival/reproduction
microevolution
macroevolution
adaptation
allele
- 19. Multiple Choice
physical appearance or observable characteristic or trait
genotype
phenotype
mutation
gene
- 20. Multiple Choice
Which of the following is an example of natural selection?
Bald Eagles are hunted until near extinction, population recovers.
Small group of iguanas floats to an island, starts a new population.
Red fox pups are more likely to survive in a snowy environment if they are born white.
Farmer chooses seeds from largest apples to plant next year. This results in larger apples from year to year.
- 21. Multiple ChoiceWhich of the following statements best explains why some mosquitoes survived after the first spraying?Some mosquitoes had a genetic mutation that made them resistant to the insecticideA. All mosquitoes had a genetic mutation that made them resistant to the insecticideA. None of the mosquitoes had a genetic mutation that made them resistant to the pesticide
- 22. Multiple Choice
Abiotic selection pressures in an organism's environment include:
grass, humans, salinity, oxygen
fire, soils, pH, trees
air temperature, light, oxygen, water
soil temperature, light, trees, insects
- 23. Multiple Choice
Natural selection could not occur without
geographic isolation
variation in the population
stable environments
competition for unlimited resources
- 24. Multiple Choice
A larger chicken can scratch faster and find/eat more bugs and food than a smaller chicken. The larger chicken out-competes the smaller chickens when food supplies are limited. What type of selection is most likely occurring?
directional selection
disruptive selection
stabilizing selection
- 25. Multiple Choice
If a plant is too short, it may not be able to compete with other (taller) plants for sunlight. However, extremely tall plants may be more susceptible to wind damage. Medium-height plants seem to not have either problem. What type of selection is most likely occurring?
directional selection
disruptive selection
stabilizing selection
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