Natural Selection

Which of the following is NOT considered evidence of evolution?

• similar DNA
• similar development
• similar behavior
• vestigial structures

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NGSS.MS-LS4-2

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

• food
• water
• shrubs
• mates

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

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

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Darwin said that the number of offspring an organism has ___________________

• stays the same
• is more than can survive
• is less than needed

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NGSS.MS-LS4-4

Organisms with differences/variations that are helpful will ______________________

• live longer
• become extinct
• show no change

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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

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Why don't we see horses with individual toes/paws anymore?

• It isn't an advantage
• It was too helpful
• It helped them run faster

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A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

• Natural Selection

• Selective Breeding

• Random mutations

• Variations in a species

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NGSS.MS-LS4-2

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It took millions of years for giraffes to develop long necks. Slow evolution is called:

• Punctuated equilibrium

• Survival of the fittest

• Gradualism

• Selective Breeding

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Which of these species is not extinct?

• T Rex

• Dodo bird

• Mastadon

• Bison

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NGSS.MS-LS4-1