Natural Selection

A physical trait favored by an environmental change can be called an

• adaptation

• extinction

• possibility

• mutation

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The Galapagos finches arrived at that island and fairly rapidly evolved into new species. This is an example of:

• Natural Selection

• Adaptive Radiation

• Survival of the Fittest

• Convergent Evolution

The theory of evolution by natural selection means that what is changing over time?

• The inherited traits of a population.
• The acquired traits of a population.
• Hair color and eye color
• Attractive features.

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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Mutations are a change in what?

• DNA
• tRNA
• genotype
• phenotype

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These cause variations.

• mutations
• adaptations
• a desire to change
• injuries

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A slight difference in an inherited trait between individual members of the same species.

• variations
• adapatations
• homologous structures
• analogous structures

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An inherited trait that increases an organism's chance of surviving and reproducing.

• variation
• adaptation
• vestigial structure
• mutation

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When an organism of a species has an adaptation, it will compete for resources better, survive longer and pass that adaptation on to it's offspring. This process is called

• evolution by natural selection
• artificial selection
• inbreeding
• outbreeding

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What is it called when humans decide which traits of an organism are the most desirable and only allow those organisms with the specific, desired traits to breed.

• biological evolution
• evolution by natural selection
• artificial selection
• inbreeding

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