Natural selection

Evolution typically happens...

• in a few weeks
• over millions of years
• never
• in 100 years

Tags

NGSS.MS-LS4-1

Bird's beaks evolve mainly due to the type of ___________________ available.

• food
• water
• shrubs
• mates

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NGSS.MS-LS2-1

If an organism can't adapt fast enough, this might happen.

• hibernate
• stay the same
• live longer
• become extinct

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NGSS.MS-LS4-4

NGSS.MS-LS2-4

NGSS.MS-LS4-1

Organisms with differences/variations that are helpful will ______________________

• live longer
• become extinct
• show no change

Tags

NGSS.MS-LS4-4

What can happen to a species over time if some of the organisms have an advantage?

• The population will decrease
• The population will become extinct
• The population will slowly increase

Tags

NGSS.MS-LS4-4

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

Tags

NGSS.MS-LS4-4

Why are advantageous 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.

Tags

NGSS.MS-LS4-4

What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

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NGSS.MS-LS4-4

The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?

• Dark moth
• Light moth
• Both will be equally successful
• Neither will be successful

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-4

Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice
• The hawks eat more dark mice than light mice because the dark mice taste better
• The hawks eat more light mice than dark mice because they can see the light mice more easily
• The hawks eat more dark mice than light mice because they can see the dark mice more easily

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-4

NGSS.MS-LS1-4