Examples of Natural Selection

Organisms with differences/variations that are helpful will ______________________

• live longer

• become extinct

• show no change

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NGSS.MS-LS4-4

Do organisms "decide" to evolve and change?

• Yes, they know they need to change to survive 

• No, they change because of natural selection

What happens to new traits that HELP organisms survive over time?

• They become MORE COMMON

• They become LESS COMMON

• They are EQUALLY COMMON

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NGSS.MS-LS4-4

The more genetic variation a population has,

the more likely it is for some individuals to

• evolve

• migrate

• survive

• mutate

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NGSS.MS-LS4-4

The beaks of the finches found on the Galapagos islands were different because?

• Size of the island

• Length of their wings

• Predator's that hunted them

• The available food supply

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NGSS.MS-LS2-1

NGSS.MS-LS4-4

When a selection in a trait is naturally made it is..

• Non-Beneficial for survive

• Causes the population to shrink

• Gets passed on to the next generations

• Does nothing for the species

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NGSS.MS-LS4-4

What is most likely to happen to moth populations in the picture shown?

• Light moths--hunted easily, dark moths--population increase

• Dark moths--hunted easily, dark moths--population increase

• Light moths--hunted easily, light moths--population increase

• Lights moths will change their color to match dark moths.

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NGSS.MS-LS2-4

NGSS.MS-LS4-4

According to natural selection, light colored tree trunks would favor

• light colored moths

• dark colored moths

• red colored moths

• red and light colored moths

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NGSS.MS-LS4-4

Which of the following is an example of natural selection?

• A giraffe stretching its neck to reach higher leaves

• A moth changing color to blend into its environment

• A human learning a new language

• A dog being trained to fetch a ball

What is the primary mechanism by which natural selection operates?

• Random mutations

• Environmental pressures

• Human intervention

• Genetic engineering

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NGSS.MS-LS4-4