Natural Selection

Front

What is natural selection?

Back

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

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NGSS.MS-LS4-4

Front

Do organisms consciously decide to evolve?

Back

No, organisms do not decide to evolve; they change due to natural selection.

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NGSS.MS-LS4-4

Front

What does the phrase 'Survival of the Fittest' mean?

Back

It refers to the concept of natural selection, where the fittest individuals are more likely to survive and reproduce.

Tags

NGSS.MS-LS4-4

Front

How do adaptations affect survival in natural selection?

Back

Adaptations are traits that enhance an organism's ability to survive and reproduce in its environment.

Tags

NGSS.MS-LS4-4

Front

What is an example of natural selection in action?

Back

The coloration of moths; light-colored moths are favored in environments with light-colored tree trunks.

Tags

NGSS.MS-LS4-4

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What happens to organisms that are less adapted to their environment?

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They are less likely to survive and reproduce, leading to a decrease in their population over time.

Tags

NGSS.MS-LS4-4

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What role does genetic variation play in natural selection?

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Genetic variation provides the raw material for natural selection, allowing some individuals to have advantageous traits.

Tags

NGSS.MS-LS4-4

Front

How can environmental changes impact natural selection?

Back

Environmental changes can alter which traits are advantageous, leading to shifts in the population over time.

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NGSS.MS-LS2-4

NGSS.MS-LS4-4

Front

What is the significance of the term 'fitness' in the context of natural selection?

Back

Fitness refers to an organism's ability to survive and reproduce in its environment.

Tags

NGSS.MS-LS4-4

Front

Can natural selection lead to the evolution of new species?

Back

Yes, over long periods, natural selection can lead to speciation as populations adapt to different environments.

Tags

NGSS.MS-LS4-4