Biology Natural Selection Review

Which of the following is not a model idea for why traits change over time?

• Traits can be advantageous or disadvantageous

• Offspring do not resemble their parents

• Populations tend to grow exponentially but don’t due to limited resources

• If you have the advantageous trait you survive and reproduce

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There are black and white sheep living on mountains of dark colored rocks. Which sheep has the disadvantageous trait?

• black sheep

• white sheep

• brown sheep

• red sheep

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Why don’t populations reproduce at an exponential rate?

• Too many mates to choose from

• Competition

• Bad weather

• Lack of resources

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What did you learn from the variation lab?

• All organisms have similar traits

• Only certain populations have variation in traits

• A population of organisms will have a variety of traits that they possess

• Only aquatic species have identical traits to one another

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Which population would have the greatest chance of survival?

• A population with 7 variations

• A population with 11 variations

• A population with 2 variations

• A population with no variations

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What chooses the advantageous trait for a population?

• Biomass of food

• Parents

• Environment

• Humans

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If you have the disadvantageous trait in the population what will likely happen to you?

• You will survive and reproduce

• You would die

• You will have many mates

• You will survive but not reproduce

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What was the disadvantageous trait for the finches on Daphne Major ?

• Coloration patterns

• Large beaks

• Antibiotic resistance

• Small beaks

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Which statement below would be something Darwin would say?

• Rhinos grew out their horn for survival

• Rhinos passed on their newly acquired trait to their offspring

• Rhinos change color in order to survive

• In the Rhino population there is variation of traits

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Which statement below would be something Lamarck would say?

• Birds grew out their beaks and passed on the newly grown beak to offspring

• There is variation of beaks in the population

• Some beaks are advantageous and some are disadvantageous

• Offspring resemble parents