biology

1. What is the central idea of Darwin's Theory of Evolution?

• A. Species remain unchanged over time

• B. Species evolve through natural selection

• C. Species are created independently

• D. Species evolve through artificial selection

What did Darwin observe about the finches on the Galapagos Islands?

• A. They all had identical beak shapes

• B. They had different beak shapes suited to their diets

• C. They were all the same size

• D. They did not adapt to their environment

Which of the following is NOT a fundamental concept of natural selection?

• A. Variation

• B. Inheritance

• C. Overproduction

• D. Random mutation

In Darwin's theory, what does "survival of the fittest" mean?

• A. The strongest individuals survive

• B. The largest individuals survive

• C. The individuals best adapted to their environment survive

• D. The individuals with the most offspring survive

What is speciation?

• A. The process by which new species form

• B. The process by which species become extinct

• C. The process by which species migrate

• D. The process by which species remain unchanged

Which of the following best describes "descent with modification"?

• A. Species remain the same over generations

• B. Species change over time, passing traits to offspring

• C. Species are created independently

• D. Species do not pass traits to offspring

7. What role do environmental changes play in natural selection?

• A. They have no effect on species

• B. They challenge species to adapt

• C. They cause species to become extinct

• D. They prevent species from evolving

8. 8. How did Darwin's observations of the Galapagos finches contribute to his theory?

• A. They showed that all finches were identical

• B. They showed that finches were not related

• C. They proved that species do not change

• D. They demonstrated variation and adaptation

9. What is the significance of "inheritance" in natural selection?

• A. Traits are passed from parents to offspring

• B. Traits are not passed to offspring

• C. Traits are randomly assigned

• D. Traits do not affect survival

10. Which of the following is an example of an adaptation?

• A. A bird with a beak suited for its food source

• B. A fish that cannot swim

• C. A plant that does not photosynthesis

• D. An animal that does not reproduce