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  1. AP Biology
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Heredity

Question 1
college-boardBiologyAPExam Style
1 mark

In a model of forest ecosystem recovery post-wildfire, which process would most directly facilitate the return to pre-disturbance levels of biodiversity in the long term?

Question 2
college-boardBiologyAPExam Style
1 mark

When environmental factors alter gene expression, this can cause __.

Question 3
college-boardBiologyAPExam Style
1 mark

In what way does epigenetic modification such as DNA methylation generally affect phenotype when organisms are exposed to prolonged environmental stress?

Question 4
college-boardBiologyAPExam Style
1 mark

A biologist studying frogs notices variations in skin color among populations exposed to different levels of pond contaminants; which reason is most plausible for this observation?

Question 5
college-boardBiologyAPExam Style
1 mark

Which scenario would likely demonstrate environmentally induced changes in animal behavior and phenotype?

Question 6
college-boardBiologyAPExam Style
1 mark

A species of genetically similar rabbits are raised in different environments that have different temperature conditions. Although these rabbits are genetically the same, they exhibit different fur colors. What is the best reasoning for this occurrence?

Question 7
college-boardBiologyAPExam Style
1 mark

Which factor most significantly influences whether polyphenic traits will be displayed within individuals of a single genotype inhabiting different environments?

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Question 8
college-boardBiologyAPExam Style
1 mark

Which scenario best illustrates how genetic variation within a plant population might influence its response to an environmental toxin introduced by human activity?

Question 9
college-boardBiologyAPExam Style
1 mark

How might a plant in an environment with variable sunlight demonstrate phenotypic plasticity?

Question 10
college-boardBiologyAPExam Style
1 mark

One potential effect of temperature increase on fish living in cold water environments is...