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.
A population of insects develops resistance to a pesticide over several generations. Is this an example of adaptation? Yes or No.
Explain how the peppered moth is an example of adaptation through natural selection.
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.
Which of the following best defines adaptation in the context of evolution? (1) A temporary change in an organism's behavior (2) A heritable trait that increases an organism's fitness in its environment (3) A learned response to environmental stimuli (4) A random mutation with no effect on survival
Which of the following best explains why polar bears have white fur? (1) To keep them warm (2) To help them swim (3) To camouflage in the snow (4) To attract mates
Which of the following is a behavioral adaptation? (1) Thick fur (2) Hibernation (3) Gills (4) Sharp claws
Which of the following is a structural adaptation for flight in birds? (1) Hollow bones (2) Migration (3) High metabolic rate (4) Parental care
Fill in the blank: The ability of desert animals to conserve water by producing highly concentrated urine is a __________ adaptation.
Fill in the blank: The ability of some bacteria to survive in the presence of antibiotics is an example of __________ adaptation.
Fill in the blank: The ability of some fish to survive in both fresh and salt water is an example of __________ adaptation.
Fill in the blank: The development of thick fur in animals living in cold climates is an example of __________ adaptation.
A population of insects develops resistance to a pesticide over several generations. Is this an example of adaptation? Yes or No.
True or False: Adaptations always arise in response to an organism’s needs.
True or False: Adaptations can be lost if the environment changes and the trait is no longer beneficial.
True or False: Adaptations can be the result of both natural and artificial selection.
