Evolution and Natural Selection Part III

Front

What does wearing a yellow jersey in a dodgeball game symbolize in the analogy used to explain natural selection?

Back

Having a genetic mutation

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What is natural selection?

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A process where the strongest survive and reproduce

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What is an example of a random mutation that can be beneficial?

Back

Antibiotic resistance in bacteria

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What role does the environment play in natural selection?

Back

It determines which traits are advantageous

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How does sickle cell trait provide an advantage against malaria?

Back

It changes the shape of red blood cells

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Why might sickle cell trait not be advantageous in non-malarial regions?

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It causes health issues

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How does antibiotic resistance demonstrate natural selection?

Back

Resistant bacteria survive and reproduce, spreading resistance

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What evidence supports the idea that all living things descend from bacteria?

Back

Genetic similarities

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What are homologous structures?

Back

Structures with different functions but a common origin

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Analogous structures

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Structures that perform the same function but are structurally different