Evolution

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What is adaptation?

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A trait or change in lifestyle that helps a plant or animal survive in its environment.

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NGSS.MS-LS4-4

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What is natural selection?

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The process by which individuals that are better able to cope with the challenges of their environment tend to leave more offspring than those less suited to the environment.

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What are variations in a species?

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The differences among a species, such as different bird beaks.

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NGSS.MS-LS4-4

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What is fitness in the context of evolution?

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The ability to survive and reproduce in a specific environment.

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NGSS.MS-LS4-4

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What is the role of genes in evolution?

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Genes are the units of heredity that contribute to variations among individuals in a species.

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

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What is the significance of vestigial structures?

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Vestigial structures are remnants of organs or structures that had a function in an early ancestor but are no longer used in the same way.

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NGSS.MS-LS4-2

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How does selective breeding differ from natural selection?

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Selective breeding is the process by which humans breed plants and animals for particular traits, while natural selection is a natural process that favors the survival of individuals with advantageous traits.

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NGSS.MS-LS4-4

NGSS.MS-LS4-5

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What is the concept of survival of the fittest?

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It refers to the idea that individuals best adapted to their environment are more likely to survive and reproduce.

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NGSS.MS-LS4-4

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What is a mutation?

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A mutation is a change in the DNA sequence that can lead to variations in traits.

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NGSS.MS-LS3-1

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What is the difference between homologous and analogous structures?

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Homologous structures are similar due to shared ancestry, while analogous structures are similar due to convergent evolution, not shared ancestry.

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NGSS.MS-LS4-2