Evolution

Who was the first naturalist to study evolution?

• Charles Darwin
• Gregor Mendal
• Carolus Linneaus
• Thomas Edison

This is a process by which organisms inherited advantageous traits that tend to reproduce more successfully than the other organisms do. 

• Artificial selection
• Natural selection
• Populations
• Environment

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This is a process in which organisms gradually change over time.

• Environment
• Competition
• Evolution
• Fossils

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This is the variation of living organisms.

• Biological diversity
• Evolution
• Environment
• Natural selection

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what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

• different species on different islands
• all species on one of the islands
• identical species on all the islands
• the same species as North America

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Mutations are important because they bring about

• death of the organism in which they develop
• genetic variation needed for a population to evolve
• benefits for the individual, not for the population
• Hardey-Weinberg equilibrium within a population

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Natural selection results in change over time by acting on traits that are

• heritable
• new
• mutated 
• better than the best

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Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures
• analogous structures
• homologous structures
• fossil structures

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What increases genetic variation when animals move from one population to another

• genetic drift
• sexual selection
• bottleneck effect
• gene flow

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This mechanism of evolution occurs when populations migrate.

• Extinction
• Gene flow
• Genetic drift
• Natural Selection