Evolution and Related Concepts Quiz

What is the best definition of evolution?

• Sudden changes in an individual's traits

• Changes in heritable characteristics of populations over generations

• Genetic mutations in individuals within a single lifetime

• Physical changes due to environmental conditions

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What are the two main theories Charles Darwin proposed?

• Law of Superposition and Fossil Record

• Descent with Modifications and Modification by Natural Selection

• Embryology and Biochemistry

• Genetic Drift and Behavioral Isolation

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What does "fitness" mean in the context of evolution?

• The physical strength of an organism

• The number of adaptations an organism has

• An organism’s genetic contribution to the next generation

• The ability to run faster than predators

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What is the result of a new, advantageous trait being passed down frequently?

• Extinction

• Migration

• Natural Selection

• Artificial Selection

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What is speciation?

• The extinction of a species

• The process of genetic mutation

• The development of a new species that can no longer breed with the original population

• The process of fossilization

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Which of the following is an example of geographic isolation?

• A change in mating behavior

• Migration to a new climate

• Populations separated by mountains or oceans

• Genetic mutation in a single organism

What do phylogenetic trees show?

• Life expectancy of organisms

• Fossil depth and age

• Evolutionary relationships between organisms

• Number of mutations in a species

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What type of structure is the human appendix considered?

• Analogous

• Homologous

• Vestigial

• Functional

Which of the following is TRUE about homologous structures?

• They look the same but have different functions

• They originate from different ancestors

• They are completely unrelated in structure

• They have the same origin but may differ in function

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According to biochemistry, which organisms are most closely related?

• Those with the most visual similarities

• Those with the most similar DNA or amino acid sequences

• Those that live in the same environment

• Those that have the same number of limbs

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