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  1. AP Biology
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Ecology

Question 1
college-boardBiologyAPExam Style
1 mark

In a stable ecosystem with limited resources, what might be an evolutionary advantage of having discrete phenotypic variations rather than continuous variation among organisms?

Question 2
college-boardBiologyAPExam Style
1 mark

How can gene flow between populations impact responses to environmental changes?

Question 3
college-boardBiologyAPExam Style
1 mark

How might increasing concentrations of atmospheric CO₂ affect C₃ plant responses compared to C₄ and CAM plants under future climate change scenarios?

Question 4
college-boardBiologyAPExam Style
1 mark

A symbiotic relationship where both species benefit is known as what?

Question 5
college-boardBiologyAPExam Style
1 mark

What mechanism do Venus flytraps (Dionaea muscipula) use to detect prey and subsequently close their trap?

Question 6
college-boardBiologyAPExam Style
1 mark

In a comparative study between C4 and CAM photosynthetic pathways, if both pathways evolved independently multiple times among diverse species primarily as responses against photorespiratory losses under hot conditions, why do CAM plants only open their stomata at night?

Question 7
college-boardBiologyAPExam Style
1 mark

In pea plants, if the allele for tall (T) is dominant to the allele for short (t), what would be the expected phenotypic ratio in the offspring of a cross between two heterozygous tall pea plants?

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Question 8
college-boardBiologyAPExam Style
1 mark

An example of a behavioral response to environmental stimuli could include?

Question 9
college-boardBiologyAPExam Style
1 mark

If a mutation disrupts the function of sodium-potassium pumps on neuron membranes, what immediate effect could this have on nerve impulse transmission?

Question 10
college-boardBiologyAPExam Style
1 mark

Which of the following refers to the ability of plants to sense changes in the direction of light and to use this information to orient their growth?