Adaptation
Biology ⇒ Evolution and Diversity
Adaptation starts at 8 and continues till grade 12.
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See sample questions for grade 12
Describe how adaptations can be studied using fossil records.
Describe how adaptations can lead to speciation.
Describe how the beak shapes of Darwin’s finches are examples of adaptation.
Describe how the cactus plant is adapted to survive in arid environments.
Describe the difference between structural, behavioral, and physiological adaptations, providing one example of each.
Describe the role of genetic variation in the process of adaptation.
Explain how camouflage increases an organism’s fitness.
Explain how mimicry can be considered an adaptation.
Explain how the peppered moth is an example of adaptation through natural selection.
Explain the difference between acclimatization and adaptation.
Explain why antibiotic resistance in bacteria is considered an example of rapid adaptation.
Explain why not all traits in an organism are adaptations.
Explain why some adaptations may become disadvantages if the environment changes.
A certain species of fish develops a mutation that allows it to tolerate higher levels of pollution in its environment. Over time, this trait becomes common in the population. Is this an example of directional, stabilizing, or disruptive selection? Justify your answer.
A population of lizards is introduced to a new island with limited vegetation. Over several generations, the average leg length of the lizards decreases, allowing them to move more efficiently through dense shrubs. Explain the evolutionary mechanism that led to this adaptation and discuss how this change could affect the population if the environment shifts to open grassland.
Describe how phenotypic plasticity can contribute to an organism’s ability to adapt to changing environments, and explain how this differs from genetic adaptation.
Explain how gene flow between populations can influence the process of adaptation, providing an example to support your answer.
