Evolution and Classification Practice

When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what?

• Selective breeding

• Natural Selection

• Cloning

• Evolution of all species

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Which scientist visited the Galapagos Islands and came up with the theory of natural selection?

• Theodor Schwann

• Gregor Mendel

• Charles Darwin

• Rudolf Virchow

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Sometimes bones in the front limbs of animals are very similar in structure. What do we call similar bone structures that indicate a link to a common ancestor?

• Adaptations

• Gradualism

• Homologous Structures

• Extinction

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A physical or behavioral trait that helps an organism survive and reproduce in its environment is called a what?

• An adaptation

• A response to a stimulus

• A mutation

• Evolution

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What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?

• There were different types of predators on the island.

• There were different types of food available on the island.

• The finches had no water to drink.

• The finches on the mainland could not fly high enough.

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What do we call a change in a species over time?

• Adaptation

• Evolution

• Extinction

• Environmental influences

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Which of the following is a fossil?

• a plant that has recently died
• a group of organisms that can reproduce
• a structure or organ that no longer functions
• a trace of an organisms that existed in the past

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Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  
• become extinct
  

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Which of the following is NOT an example of natural selection? 

• People selectively breeding hamsters.
• Insect populations developing resistance to certain pesticides.
• Bacteria becoming resistant to antibiotics.
• Male birds of certain species developing colorful feathers to attract female mates.

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Which species’ DNA is most similar to the DNA of the toothed whale? 

• Hippopotamus 
• Baleen Whale
• Grazing Mammals
• Camels

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