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What is natural selection?

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Natural selection is the process where organisms that are better adapted to their environment tend to survive and reproduce more than those that are less suited.

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What is evolution?

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Evolution is the gradual change in the characteristics of a species over several generations, often driven by natural selection.

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What is antibiotic resistance?

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Antibiotic resistance is the ability of bacteria to resist the effects of an antibiotic that once killed them or inhibited their growth.

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What is a main cause of antibiotic resistance?

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Overuse of antibiotics is a main cause of the antibiotic resistance crisis.

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How many antibiotics can a resistant bacteria be resistant to?

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A resistant bacteria can be resistant to multiple antibiotics, sometimes all available options.

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What is adaptation in the context of natural selection?

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Adaptation is the process by which a species becomes better suited to its environment through changes in traits over time.

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What is genetic drift?

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Genetic drift is a mechanism of evolution that refers to random changes in the frequency of alleles in a population.

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What role do mutations play in evolution?

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Mutations are changes in DNA that can lead to new traits, which may be beneficial, harmful, or neutral, and can contribute to evolution.

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What is the difference between extinction and natural selection?

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Extinction is the end of an organism or species, while natural selection is a process that can lead to the survival of certain organisms over others.

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What is the significance of the phrase 'survival of the fittest'?

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'Survival of the fittest' refers to the idea that only those organisms best adapted to their environment will survive and reproduce.