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12 Questions

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Evolution and Gene Pools

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Questions and Answers

What did Darwin observe in the Galapagos islands?

Finches with beaks that changed shape over time

Finches with identical beak shapes despite different habitats

Different finches with differently shaped beaks according to their habitat (correct)

Different species of finches with similar beak shapes

What is the term for the ability of an organism to survive and reproduce in its environment?

Evolution

Natural Selection

Fitness (correct)

Adaptation

What is the term for a heritable characteristic that increases an organism's fitness?

Gene Flow

Adaptation (correct)

Mutation

Natural Selection

What is the mechanism of evolution that results from a drastic decrease in population size?

Genetic Drift Signup and view all the answers

What is the term for the movement of genes from one population to another?

Gene Flow Signup and view all the answers

What is the term for the process by which the best-adapted organisms in a population are more likely to survive and reproduce?

Natural Selection Signup and view all the answers

What is the mechanism of evolution that results from the movement of organisms into or out of a population, changing the gene pool?

Gene flow Signup and view all the answers

What is the term for the formation of a new species?

Speciation Signup and view all the answers

What is the condition in which a population’s allele frequencies remain the same over time?

Hardy-Weinberg equilibrium Signup and view all the answers

What is the term for when two populations can no longer interbreed?

Reproductive isolation Signup and view all the answers

What is the type of speciation that occurs when a population is geographically isolated?

Allopatric speciation Signup and view all the answers

What are the conditions required for Hardy-Weinberg equilibrium?

Large population size, random mating, and no genetic drift Signup and view all the answers