Natural Selection

Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

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NGSS.MS-LS4-4

Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)

• Variation
• Adaptation
• Behavior
• Environment

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NGSS.MS-LS4-4

When every organism of a species has died.

• Evolution
• Natural Selection
• Extinction
• Artificial Selection

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NGSS.MS-LS4-1

Which organisms are most likely to survive?

• the best adapted
• the fastest
• the strongest
• the most domesticated (tamed)

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NGSS.MS-LS4-4

NGSS.MS-LS4-6

Almost all adaptations started off as?

• selective breeding
• physiological
• structural
• mutation

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NGSS.MS-LS4-4

NGSS.MS-LS3-1

Which of the following means "genetic change over time"

• natural selection
• speciation
• evolution
• fitness

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NGSS.MS-LS4-4

NGSS.MS-LS4-2

NGSS.MS-LS4-6

The differences among a species, like different bird beaks, are called

• genes.
• variations.
• traits.
• theories.

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CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.5

Why are helpful traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.

• Because they come from dominant alleles.

• Because they come from recessive alleles.

• Because the trait is an acquired phenotype.

The theory of evolution by natural selection means that what is changing over time?

• The inherited traits of a population.
• The acquired traits of a population.
• Hair color and eye color
• Attractive features.

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NGSS.MS-LS4-4

NGSS.MS-LS4-2

What is an example of a selective pressure?

• Moths of different colors

• Prey animals camouflage against predators

• A food source that dies off from disease

• Large eyes to easily spot prey