7.04 7th Grade Natural Selection

1.       Which of the following is an example of selective breeding?

• Lizards with a certain trait become more numerous after a climate change.

• Farmers allow only sheep that produce the best wool to breed.

• A population of bacteria develops a resistance to an antibiotic.

• A population of insects develops resistance to a pesticide.

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NGSS.MS-LS4-4

1.A population of finches changing over an extended period of time is most likely an example of—

• Evolution

• How scientists use a Dichotomous key

• Selective Breeding

• Scientists changing genes in organisms

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NGSS.MS-LS4-2

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A farmer in East Texas is looking for the best strawberries to make jam.  Which of the following processes would he use to get the best traits?

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• Behavioral adaptation change

• Natural selection

• Selective breeding

• Use of a dichotomous key

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NGSS.MS-LS4-5

______________ Sailed around the world on the Beagle and saw that finches in the Galapagos Islands went through _____________, a part of evolution that contests that organism adapt to their natural surroundings.

• Charles Darwin; Natural Selection

• Charles Darwin; Selective Breeding

• Gregor Mendel; Natural Selection

• Gregor Mendel; Selective Breeding

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NGSS.MS-LS4-4

Darwin described evolution as “descent with modification.” How did he know that all the birds on the Galapagos islands were all relatives of the finch?

• All organisms are related to finches.

• All organisms come from common   ancestors.

• All organisms re-populate new geographical   regions

• All organisms have similar adaptations.

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A(n) ____________ is an organisms way of surviving in the environment.    If they are using physical means of surviving, we call them   ___________, but if they are using actions to survive, we call them   _____________.

• Adaptation; structural; behavioral

• Adaptation; behavioral; structural

• Evolution; structural; behavioral

• Evolution; behavioral; structural

Darwin’s study of evolution led him to coin ________________, which is   a process where organisms naturally change to adapt to their   environment.  Counter to this point, if an organism is purposely bred for specific results, we call it ______________.

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a.Theory of evolution; natural selection

b.Natural selection; theory of evolution

c.Selective breeding; natural selection

Natural selection; selective breeding

• Theory of evolution; natural selection

• Natural selection; theory of evolution

• Selective breeding; natural selection

• Natural selection; selective breeding

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NGSS.MS-LS4-4

Darwin discovered finches have __________ which led to his theory of   Natural Selection.

• The same beaks on all islands

• Different feathers

• Different types of beaks for the same food source

• Different types of beaks for the different types of food sources

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NGSS.MS-LS4-2

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Variation must exist among species in order for them to survive. What does the word variation mean?

• The same traits among the same species

• The difference in traits among the same species

• The same traits among different species

• The difference in traits among different species

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NGSS.MS-LS4-4

Keeping your species alive while others are dying off is part of evolution.    Which of the following phrases would be most characteristic of this   statement?

• Competition

• Over production of offspring

• Inheritance

• Survival of the Fittest

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NGSS.MS-LS4-4