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- 1. Multiple Choice
Which of the following is a situation that could cause evolutionary change that is NOT due to natural selection?
A volcano erupts and kills many individuals in a population.
A mutation produces sea stars that are less visible to predators.
An insecticide is sprayed in a community to combat mosquitoes.
Cattle are treated with antibiotics to prevent the spread of infections.
- 2. Multiple Choice
The graphs below show the changes in crab color at one beach.
Which of the following is most likely to have caused the change in the distribution?
A new predator arrived that preferred dark-tan crabs.
A new predator arrived that preferred light-tan crabs.
A change in beach color made medium-tan crabs the least visible to predators.
A change in beach color made medium-tan crabs the most visible to predators.
- 3. Multiple Choice
Which of the following best illustrates natural selection?
An organism with favorable genetic variations will tend to survive and breed successfully.
A population monopolizes all of the resources in its habitat, forcing other species to migrate.
A community whose members work together utilizing all existing resources and migratory routes.
The largest organisms in a species receive the only breeding opportunities.
- 4. Multiple Choice
Which of the following is NOT part of the that mechanisms of natural selection?
Organisms produce more offspring than can survive.
Disease and natural disaster will limit population growth.
Species today descended with modifications from ancestral species.
Organisms with advantages will survive and reproduce.
- 5. Multiple Choice
What is the most likely explanation of the data shown below?
There has been a drought in the area that is affecting all life forms.
The population of natural predators of the moths has gotten smaller.
The moths are living in an environment with light trees.
The moths are living in an environment with dark trees.
- 6. Multiple Choice
Which of the following statements best describes what will most likely occur to the moth populations in the image above?
The light moths will be captured by predators more easily than the dark moths, and the population of dark moths will rise.
The light moths will be captured by predators more easily than the dark moths, and the population of light moths will rise.
The dark moths will be captured by predators more easily than the light moths, and the dark moths will probably go extinct.
The light moths will change their wing color to match that of the dark moths.
- 7. Multiple ChoiceAccording to Darwin’s theory of natural selection, the individuals that tend to survive are those that havecharacteristics their parents acquired by use and disuse.the greatest number of offspring.characteristics that plant and animal breeders value.variations best suited to the environment.
- 8. Multiple ChoiceWhen did Charles Darwin live?1600s1700s1800s1900s
- 9. Multiple Choice
Darwin developed his theory of natural selection by the studying the unique life on this chain of islands in the Pacific Ocean near South America.
the Andouilles
the Hawaiian Islands
the Galapagos Islands
the Aleutian Islands
- 10. Multiple Choice
The finches of the Galapagos islands different in what way and for what reason?
size of body, size of trees
location on specific islands, amount of water
coloration. types of predators
beak shape, type of food available
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