12 Questions
What did Darwin observe in the Galapagos islands?
Different finches with differently shaped beaks according to their habitat
What is the term for the ability of an organism to survive and reproduce in its environment?
Fitness
What is the term for a heritable characteristic that increases an organism's fitness?
Adaptation
What is the mechanism of evolution that results from a drastic decrease in population size?
Genetic Drift
What is the term for the movement of genes from one population to another?
Gene Flow
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
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
What is the term for the formation of a new species?
Speciation
What is the condition in which a population’s allele frequencies remain the same over time?
Hardy-Weinberg equilibrium
What is the term for when two populations can no longer interbreed?
Reproductive isolation
What is the type of speciation that occurs when a population is geographically isolated?
Allopatric speciation
What are the conditions required for Hardy-Weinberg equilibrium?
Large population size, random mating, and no genetic drift
Test your knowledge on Charles Darwin's observations in the Galapagos Islands, the concept of evolution, and how gene pools change over time. Learn about the mechanisms that cause changes in a population's gene pool.
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