Mechanisms of Evolution Review

What does the image represent?

• Founder effect
• Bottleneck effect
• Natural Selection
• Mutations

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A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.

• Genetic Drift
• Natural Selection
• Non-random mating
• Mutation

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One day a group of scientists collected a small group of brown anole lizards from a large group of the lizards.  Then they placed this small group of lizards on an island that had no brown anole lizards on it.  What is this an example of?

• Bottleneck Effect
• Hardy Effect
• Founder Effect
• None of These

There was once a large population of cheetah, but about 12,000 years ago most of the cheetahs were killed off because of human activity and only a few survived.  What is this an example of?

• Bottleneck Effect
• Genetic Drift
• Founder Effect
• Natural Selection

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In a population of ladybugs, black bugs are more successful in escaping predators. Overtime, this gene becomes more popular in the population and the ladybug population loses its red color.  

• Natural Selection
• Mutation
• Genetic Drift
• Gene Flow

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A __________ is a branching diagram that shows evolutionary relationships.

• cladogram
• table
• derived character
• relationship tree

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Gene pool

• Total number of alleles of the genes that are present in a population of a particular species of organism at a given time

• The condition of a population in which allele and genotype frequencies remain constant from one generation to the next

• The number of phenotypes present in a population of a species at a given time

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What does the Hardy-Weinberg equilibrium measure?

• changes in allele frequencies
• numbers of mutations
• goodness of fit
• genetic diversity

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Natural selection is the process that passes down ____________________ traits.

• Same

• Old

• Useless

• Favorable

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A mistake or change that occurs in the DNA sequence is called a ______________________.

• Extinction

• Speciation

• Mutation

• Genetic Variation

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