Evolution HONORS

In fish, red scales are dominant to blue scales. 100 years ago the allelic frequency of the red allele was .7 and now it is .55 What is happening?

• evolution at the genetic level

• the population is in genetic equilibrium

• the red scales are an advantage in their environment and are being selected for

• the female fish are showing preference for the red scales and sexual selection is occurring

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Which of the following means "genetic changes in a species over time"

• natural selection

• speciation

• evolution

• fitness

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Occurs when two or more species reciprocally affect each other's evolution

• macroevolution

• microevolution

• coevolution

• parallel evolution

Evolutionary change on a small scale

• macroevolution

• microevolution

• coevolution

• parallel evolution

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Evolutionary change on a large scale; (Descent with Modification)

• macroevolution

• microevolution

• coevolution

• parallel evolution

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Which of the following is NOT an example of natural selection? 

• People selectively breeding hamsters.
• Insect populations developing resistance to certain pesticides.
• Bacteria becoming resistant to antibiotics.
• Male birds of certain species developing colorful feathers to attract female mates.

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What characteristic did Darwin observe about the finches on the Galapagos Islands?

• Their feathers 
• Genotypes 
• Their beaks
• Their body sizes

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When an organism completely dies out, it is called.....

• Adaption
• Extinction
• Fossilization
• Mutation

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The separation of a group of individuals from the rest of the population is referred to as 

• genetic drift
• natural selection
• geographic isolation
• survival of the fittest

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

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