Adaptation
Biology ⇒ Evolution and Diversity
Adaptation starts at 8 and continues till grade 12.
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Describe how antibiotic resistance in bacteria is an example of adaptation.
Describe how mimicry can be an adaptation and give an example.
Describe how the beak shapes of Darwin's finches are examples of adaptation.
Describe how the development of antibiotic resistance in bacteria demonstrates the principle of adaptation by natural selection.
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.
A population of insects is exposed to a new pesticide. After several generations, most of the population is resistant to the pesticide. What process has occurred? (1) Genetic drift (2) Adaptation through natural selection (3) Artificial selection (4) Mutation only
A species of bird develops a longer beak over generations, allowing it to access nectar from deep flowers. What type of adaptation is this? (1) Structural (2) Behavioral (3) Physiological (4) None of the above
A population of insects is exposed to a new pesticide. After several generations, most of the population is resistant to the pesticide. What process has occurred? (1) Genetic drift (2) Adaptation through natural selection (3) Artificial selection (4) Mutation only
A species of bird develops a longer beak over generations, allowing it to access nectar from deep flowers. What type of adaptation is this? (1) Structural (2) Behavioral (3) Physiological (4) None of the above
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 chance of survival and reproduction (3) A random mutation with no effect (4) A learned skill acquired during an organism's lifetime
Which of the following best describes convergent evolution? (1) Different species developing similar adaptations due to similar environments (2) One species splitting into two (3) The loss of adaptations over time (4) Adaptations that only occur in plants
Fill in the blank: The ability of cacti to store water in their stems is a __________ adaptation.
Fill in the blank: The ability of some animals to enter a dormant state during unfavorable conditions is called __________.
Fill in the blank: The ability of some fish to survive in both fresh and salt water is an example of a __________ adaptation.
Fill in the blank: The long neck of a giraffe is an example of a __________ adaptation.
True or False: Adaptations can arise from both mutations and recombination of genes.
True or False: Adaptations can be lost if the environment changes and the trait is no longer beneficial.
True or False: Adaptations can be lost if they are no longer advantageous.
True or False: Adaptations can be observed at the molecular level, such as changes in enzyme function.
