Darwin studied ________ on the _________ islands to come up with his theory of evolution.

• Finches; Galapagos

• Butterflies; Galapagos

• Finches; Malay

• Butterflies; Malay

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NGSS.MS-LS4-4

Peter and Rosemary grant studied finches for 40 years on the Galapagos islands. What trait did they discover had the biggest impact on bird survival?

• Beak length

• Wing span

• Beak depth

• Tarsus length

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NGSS.HS-LS4-2

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What question were Wallace and Darwin trying to answer when they set out on their adventures?

• How many different species are there?

• Where do species come from?

• Are species different in different places?

• How are species compare and contrast genetically?

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Wallace discovered that certain forces keep populations of species in check. What were some of these forces?

• Environmental changes

• Famine

• Disease

• Competition

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Peter and Rosemary determined that the various species of finches on the Galapagos Islands all came from one common ancestor. How did they come to that conclusion?

• By comparing their DNA

• By comparing their beak depths

• By comparing this physical sizes

• By comparing their bird calls

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NGSS.MS-LS4-2

______ is the change in a species over time.

• Evolution

• Natural Selection

• Genetics

• DNA Synthesis

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True or False: An individual organism can evolve

• True

• False

Evolution happens to ________.

• Individual organisms

• Populations

• Only finches and butterflies

• Ecosystems

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While Peter and Rosemary were studying the finches on the Galapagos Islands a drough occured in 1977. How did it affect the populations of finches?

• Birds with small beaks died

• Birds with large beaks died

• All beak sizes had an equal proportion of deaths

• Birds with medium beaks died

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NGSS.MS-LS1-5

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NGSS.MS-LS4-4

At what point would we say that one species of finch has become two different species?

• They cannot split into two species

• The birds begin to look different

• The birds begin to act differently

• The birds no longer interbreed

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NGSS.HS-LS4-2

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